@article{DAN_1986_289_3_a0,
     author = {V. M. Deundyak and I. B. Simonenko and Chin' Ngok Min'},
     title = {Homotopic classification of families of one-dimensional singular},
     journal = {Doklady Akademii Nauk},
     pages = {521--524},
     publisher = {mathdoc},
     volume = {289},
     number = {3},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_289_3_a0/}
}