@article{MZM_1978_24_5_a9,
     author = {P. I. Sizhuk and V. V. Chernikov},
     title = {Coefficients of $\alpha$-convex functions of order $\beta$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {679--686},
     publisher = {mathdoc},
     volume = {24},
     number = {5},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1978_24_5_a9/}
}