TY - JOUR AU - V. M. Deundyak TI - Homotopic classification of noetherian systems of multidimensional bisingular integral operators JO - Matematičeskie zametki PY - 1979 SP - 857 EP - 869 VL - 25 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1979_25_6_a5/ LA - ru ID - MZM_1979_25_6_a5 ER -