@article{DE_2002_38_4_a5,
     author = {Z. M. Sheremeta and M. N. Sheremeta},
     title = {Closeness to {Convexity} for {Entire} {Solutions} of a {Differential} {Equation}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {477--481},
     publisher = {mathdoc},
     volume = {38},
     number = {4},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2002_38_4_a5/}
}