%0 Journal Article %A Djordje MuĊĦicki %T Extended Lagrangian formalism for rheonomic systems with variable mass %J Theoretical and applied mechanics %D 2017 %P 115 %V 44 %N 1 %U http://geodesic.mathdoc.fr/articles/10.2298/TAM170601006M/ %R 10.2298/TAM170601006M %G en %F 10_2298_TAM170601006M