%0 Journal Article %A È. I. Grudo %T The analytic structure of solutions of nonlinear Pfaffian systems with bounded coefficients in transcendental cases %J Differencialʹnye uravneniâ %D 1982 %P 397-409 %V 18 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_3_a2/ %G ru %F DE_1982_18_3_a2