TY - JOUR AU - G. A. Kurina AU - G. V. Martynenko TI - On the Reducibility of a Nonnegatively Hamiltonian Periodic Operator Function in a Real Hilbert Space to a Block Diagonal Form JO - Differencialʹnye uravneniâ PY - 2001 SP - 212 EP - 217 VL - 37 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2001_37_2_a7/ LA - ru ID - DE_2001_37_2_a7 ER -