@article{SM_1969_7_1_a5,
     author = {I. M. Dektyarev},
     title = {Distribution of values under a~mapping of manifolds},
     journal = {Sbornik. Mathematics},
     pages = {115--118},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {1969},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1969_7_1_a5/}
}