TY - JOUR AU - W. Merchela TI - One method for investigating the solvability of boundary value problems for an implicit differential equation JO - Vestnik rossijskih universitetov. Matematika PY - 2021 SP - 404 EP - 413 VL - 26 IS - 136 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VTAMU_2021_26_136_a6/ LA - ru ID - VTAMU_2021_26_136_a6 ER -