TY - JOUR AU - B. V. Loginov AU - Yu. B. Rousak AU - L. R. Kim-Tyan TI - Differential equations with degenerate, depending on the unknown function operator at the derivative JO - Contemporary Mathematics. Fundamental Directions PY - 2016 SP - 119 EP - 147 VL - 59 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2016_59_a5/ LA - ru ID - CMFD_2016_59_a5 ER -