@article{VMUMM_1984_6_a19,
     author = {D. L. Abrarov},
     title = {Topological obstructions to the existence of conditionally linear integrals},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {72--75},
     publisher = {mathdoc},
     number = {6},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1984_6_a19/}
}