@article{DE_1967_3_5_a11,
     author = {I. N. Zboychik},
     title = {Calculational formulas and asymptotics, with estimates of the function $F(x)=\sum_{k=0}^\infty\frac{z^k}{(k!)^2}$},
     journal = {Differencialʹnye uravneni\^a},
     pages = {820--830},
     publisher = {mathdoc},
     volume = {3},
     number = {5},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_5_a11/}
}