@article{10_4153_CJM_1969_044_9, author = {Sehgal, Sudarshan K.}, title = {On the {Isomorphism} of {Integral} {Group} {Rings.} {I}}, journal = {Canadian journal of mathematics}, pages = {410--413}, year = {1969}, volume = {21}, number = {1}, doi = {10.4153/CJM-1969-044-9}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-044-9/} }