TY  - JOUR
AU  - N. P. Erugin
TI  - Analytic and qualitative theory, and also asymptotic behavior of the solutions of the system of equations $\frac{dx}{dz}=\frac1{z}\sqrt{xy(x+y)}$, $\frac{dy}{dz}=\frac1{1-z}\sqrt{xy(x+y)}$
JO  - Differencialʹnye uravneniâ
PY  - 1974
SP  - 379
EP  - 408
VL  - 10
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1974_10_3_a0/
LA  - ru
ID  - DE_1974_10_3_a0
ER  -