TY - JOUR AU - Годич, В.И. TI - Бисимметричные матричные узлы JO - Sibirskij matematiceskij zurnal PY - 1982 PB - Izd. AN SSSR VL - 23 IS - 5 SP - 52 EP - 62 LA - rus KW - bisymmetric matrix nodes; Volterra operators; canonical differential equations; unitary transformations; quasi-diagonal Hamiltonians; Hilbert spaces UR - http://eudml.org/doc/62211 ER -