TY - JOUR AU - N. M. Bogoliubov TI - Exact solution of a~model of three bound oscillators with Stark nonlinearity JO - Zapiski Nauchnykh Seminarov POMI PY - 1995 SP - 122 EP - 128 VL - 224 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1995_224_a9/ LA - ru ID - ZNSL_1995_224_a9 ER -