@article{10_4153_CJM_1966_009_5, author = {Tang, C. Y.}, title = {An {Existence} {Theorem} for {Generalized} {Direct} {Products} with {Amalgamated} {Subgroups}}, journal = {Canadian journal of mathematics}, pages = {75--82}, year = {1966}, volume = {18}, number = {1}, doi = {10.4153/CJM-1966-009-5}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-009-5/} }