@article{PIM_1983_N_S_34_48_a29,
     author = {Suresh Prasad Singh and O.P. Varshney and Govind Prasad},
     title = {On the {Degre} of {L1-aproximation} by {Modified} {Bernstein} {Polynomials}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {199 },
     publisher = {mathdoc},
     volume = {_N_S_34},
     number = {48},
     year = {1983},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1983_N_S_34_48_a29/}
}