@article{DAN_1995_344_6_a4,
     author = {L. V. Sabinin},
     title = {Differential equations of a geometric odule},
     journal = {Doklady Akademii Nauk},
     pages = {745--748},
     publisher = {mathdoc},
     volume = {344},
     number = {6},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_344_6_a4/}
}