TY - JOUR AU - N. I. Zhukova TI - Foliations that are compatible with systems of differential equations of arbitrary order JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1992 SP - 42 EP - 48 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1992_9_a5/ LA - ru ID - IVM_1992_9_a5 ER -