@article{1102945706, author = {Johnson, William B.}, title = {On quasi-complements.}, journal = {Pacific J. Math.}, volume = {49}, number = {2}, year = {1973}, pages = { 113-118}, language = {en}, url = {http://dml.mathdoc.fr/item/1102945706} }
Johnson, William B. On quasi-complements.. Pacific J. Math., Tome 49 (1973) no. 2, pp. 113-118. http://gdmltest.u-ga.fr/item/1102945706/