@article{MZM_1969_5_6_a12,
     author = {V. M. Shakhverdiev},
     title = {Monotonicity conditions for a~sequence of generalized polynomials of {S.\,N.~Bernshtein} and {A.\,O.~Gel'fond}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {747--752},
     publisher = {mathdoc},
     volume = {5},
     number = {6},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1969_5_6_a12/}
}