@article{1195520838, author = {Isiwata, Takesi}, title = {The product of $M$-spaces need not be an $M$-space}, journal = {Proc. Japan Acad.}, volume = {45}, number = {8}, year = {1969}, pages = { 154-156}, language = {en}, url = {http://dml.mathdoc.fr/item/1195520838} }
Isiwata, Takesi. The product of $M$-spaces need not be an $M$-space. Proc. Japan Acad., Tome 45 (1969) no. 8, pp. 154-156. http://gdmltest.u-ga.fr/item/1195520838/