%0 Journal Article %A T. K. Shemjakina %A A. I. Yablonskii %T Investigation of solutions of systems of two Briot and Bouquet equations in the presence of zero roots of a characteristic equation %J Differencialʹnye uravneniâ %D 1982 %P 911-912 %V 18 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_5_a30/ %G ru %F DE_1982_18_5_a30