TY - JOUR AU - Đorđe Mušicki TI - A contribution to the theory of the extended Lagrangian formalism for rheonomic systems JO - Theoretical and applied mechanics PY - 2009 SP - 47 VL - 36 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.2298/TAM0901047M/ DO - 10.2298/TAM0901047M LA - en ID - 10_2298_TAM0901047M ER -