TY - JOUR AU - G. A. Kurina TI - Linear Hamiltonian systems that are not solved with respect to the derivative JO - Differencialʹnye uravneniâ PY - 1986 SP - 193 EP - 198 VL - 22 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1986_22_2_a1/ LA - ru ID - DE_1986_22_2_a1 ER -