TY - JOUR AU - N. D. Kopachevskii AU - A. R. Yakubova TI - On some problems generated by a~sesquilinear form JO - Contemporary Mathematics. Fundamental Directions PY - 2017 SP - 278 EP - 315 VL - 63 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2017_63_2_a4/ LA - ru ID - CMFD_2017_63_2_a4 ER -