TY - JOUR AU - Yu. K. Lando AU - Yu. A. Bykadorov TI - Nonnormally solvable and controllable integro-differential correspondences JO - Differencialʹnye uravneniâ PY - 1980 SP - 344 EP - 349 VL - 16 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1980_16_2_a16/ LA - ru ID - DE_1980_16_2_a16 ER -