%0 Journal Article %A N. D. Vasilevich %A T. N. Prokhorovich %T A Linear Pfaff System of Three Equations on $\mathbf{CP}^m$ %J Differencialʹnye uravneniâ %D 2003 %P 848-849 %V 39 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2003_39_6_a14/ %G ru %F DE_2003_39_6_a14