On the construction of approximating linear positive operators by probabilistic methods

[1] Chency, E.W. and Sharma, A.,  On a generaization  of Bernstein polynomials,  Rev. Mat. Univ. Parma (2), 5 (1964), 77-84.
[2] Jain, G.C. and Pethe, S., On a generalization of Bernstein and Szasz Mirakyan operators,  Nanta Mathematica, vol. X (2), 185-194.
[3] King, J.P., Probabilistic analysis of Korokvin’s theorem,  Journal of the Indian Math. Soc., 44(1980), 51-58.
[4] Khan, R.A., Some probabilistic methods in the theory of approximation operators,  Acta Mathematica Academiae Scientiarum Hungaricae, 35 (1-2), 1980, 193-203.
[5] Korokvin, P.P., Linear operators and approximation theory,  Hindustan Publ. Corp., Delhi, 1960.
[6] Muller, M., Die folge der Gammaoperatoren,  Dissenation, Stuttgart, 1967.
[7] Razi, Quasim, Approximation of a function by Kantorovich type operators,  Matematicki Vesnik, 41 (1989), 183-192.
[8] Stancu, D.D., Approximation of functions by a new class of linear poly operators,  Revue Doumaine de Math. Pures et Appl., 13 (1968), 1173-1194.
[9] Stancu, D.D., Use of probabilistic methods in the theory of uniform approximation of continuous functions, Revue Roumaine de Math Pures et Appl., 14(1969), 673-691.
[10] Stancu, D.D., Approximation of funcitons by means of a new heneralized Bernstein operator, Calcolo, vol. XX, fasc. II, 1983, 211-229.