@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/}
}