@article{IVM_1972_8_a8,
     author = {I. S. Kukles and R. I. Putilova},
     title = {The characteristics that enter the origin with semisingular orders of curvatures},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {70--80},
     publisher = {mathdoc},
     number = {8},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1972_8_a8/}
}