TY - JOUR AU - G. Yu. Vinogradova AU - V. M. Deundyak TI - On the index and homotopic classification of families of singular operators with a~dihedral shift group and $PC$-coefficients JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2002 SP - 71 EP - 74 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2002_11_a9/ LA - ru ID - IVM_2002_11_a9 ER -