@article{TAM_1985_11_1_a10,
     author = {Du\v{s}an J. Miki\v{c}i\'c},
     title = {Variational equations of motion of the mechanical system of variable mass and their integration},
     journal = {Theoretical and applied mechanics},
     pages = {109 },
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {1985},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAM_1985_11_1_a10/}
}