TY - JOUR AU - Veljko A. Vujičić TI - Energy exchange theorems in systems with time-dependent constraints JO - Theoretical and applied mechanics PY - 1995 SP - 105 VL - 21 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAM_1995_21_1_a9/ LA - en ID - TAM_1995_21_1_a9 ER -