TY - JOUR AU - F. N. Garif'yanov TI - Transformations of biorthogonal systems, and some of their applications. II JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1996 SP - 13 EP - 24 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1996_8_a2/ LA - ru ID - IVM_1996_8_a2 ER -