TY - JOUR AU - A. A. Abduganiev AU - A. A. Azamov AU - A. Begaliev TI - Existence and uniqueness theorems for the Pfaff equation with continuous coefficients JO - Contemporary Mathematics. Fundamental Directions PY - 2021 SP - 609 EP - 619 VL - 67 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2021_67_4_a0/ LA - ru ID - CMFD_2021_67_4_a0 ER -