@article{1138843295, author = {Hanai, Sitiro}, title = {On commutative $T$-closure operators}, journal = {Kodai Math. Sem. Rep.}, volume = {5}, number = {1}, year = {1953}, pages = { 17-19}, language = {en}, url = {http://dml.mathdoc.fr/item/1138843295} }
Hanai, Sitiro. On commutative $T$-closure operators. Kodai Math. Sem. Rep., Tome 5 (1953) no. 1, pp. 17-19. http://gdmltest.u-ga.fr/item/1138843295/