@article{MZM_1997_62_6_a4,
     author = {B. S. Klebanov and V. V. Filippov},
     title = {On acyclicity of the set of solutions to the {Cauchy} problem for differential equations},
     journal = {Matemati\v{c}eskie zametki},
     pages = {836--842},
     publisher = {mathdoc},
     volume = {62},
     number = {6},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1997_62_6_a4/}
}