TY - JOUR AU - Djordje MuĊĦicki TI - Extended Lagrangian formalism for rheonomic systems with variable mass JO - Theoretical and applied mechanics PY - 2017 SP - 115 VL - 44 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.2298/TAM170601006M/ DO - 10.2298/TAM170601006M LA - en ID - 10_2298_TAM170601006M ER -