| Approximation with positive linear operators and linear combinations V Gupta, G Tachev Springer, 2017 | 93 | 2017 |
| Modified Kantorovich operators with better approximation properties V Gupta, G Tachev, AM Acu Numerical Algorithms 81, 125-149, 2019 | 50 | 2019 |
| On variation-diminishing Schoenberg operators: new quantitative statements L Beutel, H Gonska, D Kacsó, G Tachev Multivariate Approximation and Interpoltaion with Applications (ed. by M …, 2002 | 49 | 2002 |
| Grüss-type inequalities for positive linear operators with second order moduli H Gonska, G Tachev Matematički vesnik 63 (246), 247-252, 2011 | 46 | 2011 |
| The complete asymptotic expansion for Bernstein operators GT Tachev Journal of Mathematical Analysis and Applications 385 (2), 1179-1183, 2012 | 40 | 2012 |
| On approximation properties of Phillips operators preserving exponential functions V Gupta, G Tachev Mediterranean Journal of Mathematics 14, 1-12, 2017 | 39 | 2017 |
| Commutativity, direct and strong converse results for Phillips operators M Heilmann, G Tachev East J. Approx 17 (3), 299-317, 2011 | 38 | 2011 |
| GENERAL ESTIMATEs FoR. THE DITZIAN–TOTIK I Gavrea, H GoNsKA, R PĂLTĂNEA EAST JOURNAL, ON APPROXIMATIONS 9 (2), 175-194, 2003 | 34 | 2003 |
| Voronovskaja's theorem revisited GT Tachev Journal of Mathematical Analysis and Applications 343 (1), 399-404, 2008 | 29 | 2008 |
| Approximation by Szász-Mirakyan Baskakov operators V Gupta, G Tachev J. Appl. Funct. Anal 9 (3-4), 308-319, 2014 | 28 | 2014 |
| Voronovskaja’s theorem for functions with exponential growth G Tachev, V Gupta, A Aral Georgian Mathematical Journal 27 (3), 459-468, 2020 | 25 | 2020 |
| Better numerical approximation by Durrmeyer type operators AM Acu, V Gupta, G Tachev Results in Mathematics 74, 1-24, 2019 | 23 | 2019 |
| Variation-diminishing splines revisited L Beutel, H Gonska, D Kacsó, G Tachev Proc. Int. Sympos. on Numerical Analysis and Approximation Theory (Cluj …, 2002 | 20 | 2002 |
| A note on the differences of two positive linear operators G Tachev, V Gupta Constructive Mathematical Analysis 2 (1), 1-7, 2019 | 19 | 2019 |
| General form of Voronovskaja’s theorem in terms of weighted modulus of continuity V Gupta, G Tachev Results Math 69 (3-4), 419-430, 2016 | 19 | 2016 |
| Pointwise approximation by Bernstein polynomials G Tachev Bulletin of the Australian Mathematical Society 85 (3), 353-358, 2012 | 19 | 2012 |
| A quantitative variant of Voronovskaja’s theorem H Gonska, G Tachev Results in Mathematics 53 (3), 287-294, 2009 | 18 | 2009 |
| Linear combinations of genuine Szasz–Mirakjan–Durrmeyer operators M Heilmann, G Tachev Advances in Applied Mathematics and Approximation Theory: Contributions from …, 2013 | 17 | 2013 |
| On the second moments of variation-diminishing splines L Beutel, H Gonska, D Kacso, G Tachev J. Concr. Appl. Math 2 (1), 91-117, 2004 | 15 | 2004 |
| The second Ditzian-Totik modulus revisited: refined estimates for positive linear operators HH Gonska, GT Tachev Revue d'analyse numérique et de théorie de l'approximation 32 (1), 39-61, 2003 | 15 | 2003 |
