@article{MZM_1989_46_6_a11,
     author = {Yu. B. Rudyak},
     title = {Relations in the piecewise-linear cobordism ring},
     journal = {Matemati\v{c}eskie zametki},
     pages = {75--84},
     publisher = {mathdoc},
     volume = {46},
     number = {6},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1989_46_6_a11/}
}