TY  - JOUR
AU  - I. N. Zboychik
TI  - Calculational formulas and asymptotics, with estimates of the function $F(x)=\sum_{k=0}^\infty\frac{z^k}{(k!)^2}$
JO  - Differencialʹnye uravneniâ
PY  - 1967
SP  - 820
EP  - 830
VL  - 3
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1967_3_5_a11/
LA  - ru
ID  - DE_1967_3_5_a11
ER  -