@article{MMO_1988_51_a5,
     author = {Fam Ngok An Kyong},
     title = {Orders of $k$-invariants in cobordism theory with singularities},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {208--222},
     publisher = {mathdoc},
     volume = {51},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1988_51_a5/}
}