@article{10_21136_CPM_1965_117529, author = {Zelinka, Bohdan}, title = {A remark on $\Pi$-automorphisms}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky}, pages = {99--100}, publisher = {mathdoc}, volume = {090}, number = {1}, year = {1965}, doi = {10.21136/CPM.1965.117529}, mrnumber = {0204299}, zbl = {0148.25503}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1965.117529/} }