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@article{AM2_1977__15_136628, author = {S.R. Caradus}, title = {An equational approach to products of relatively regular operators.}, journal = {Aequationes mathematicae}, pages = {55--62}, publisher = {mathdoc}, volume = {15}, year = {1977}, zbl = {0348.47010}, url = {http://geodesic.mathdoc.fr/item/AM2_1977__15_136628/} }
S.R. Caradus. An equational approach to products of relatively regular operators.. Aequationes mathematicae, Tome 15 (1977), pp. 55-62. http://geodesic.mathdoc.fr/item/AM2_1977__15_136628/