@article{VMUMM_2006_5_a6,
     author = {V. G. Vil'ke},
     title = {Motion of a caterpillar tractor on a rough plane},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {36--44},
     publisher = {mathdoc},
     number = {5},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2006_5_a6/}
}