TY - JOUR AU - A. V. Vedyaev AU - A. V. Volkov TI - Invariant subspaces and generalization of Nagaoka's theorem for the Hubbard model $(U=\infty)$ JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1993 SP - 160 EP - 164 VL - 94 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1993_94_1_a12/ LA - ru ID - TMF_1993_94_1_a12 ER -