TY - JOUR AU - V. I. Uskov TI - Asymptotic solution of first-order equation with small parameter under the derivative with perturbed operator JO - Vestnik rossijskih universitetov. Matematika PY - 2018 SP - 784 EP - 796 VL - 23 IS - 124 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VTAMU_2018_23_124_a21/ LA - ru ID - VTAMU_2018_23_124_a21 ER -