TY - JOUR AU - Maciej P. Wojtkowski TI - Hamiltonian systems with linear potential and elastic constraints JO - Fundamenta Mathematicae PY - 1998 SP - 305 EP - 341 VL - 157 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-157-2-3-305-341/ DO - 10.4064/fm-157-2-3-305-341 LA - en ID - 10_4064_fm_157_2_3_305_341 ER -