%0 Journal Article %A A. G. Aslanyan %A V. I. Burenkov %T A problem of N. P. Erugin on integrability by quadratures of a system of ordinary differential equations %J Differencialʹnye uravneniâ %D 1967 %P 811-819 %V 3 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1967_3_5_a10/ %G ru %F DE_1967_3_5_a10