@article{FPM_2003_9_3_a13,
     author = {A. S. Semenov},
     title = {Pair analysis of involutive divisions},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {199--212},
     publisher = {mathdoc},
     volume = {9},
     number = {3},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2003_9_3_a13/}
}