TY - JOUR AU - A. V. Glebov AU - V. M. Deundyak TI - Homotopic classification of noetherian systems of singular and bisingular integral operators with discontinuous coefficients JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1978 SP - 76 EP - 77 VL - 12 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1978_12_3_a13/ LA - ru ID - FAA_1978_12_3_a13 ER -