@article{PORMA_1969__28_2_115084,
     author = {Alas, Ofelia T.},
     title = {The axiom of choice and two particular forms of {Tychonoff} theorem},
     journal = {Portugaliae mathematica},
     pages = {75--76},
     publisher = {mathdoc},
     volume = {28},
     number = {2},
     year = {1969},
     mrnumber = {0281600},
     zbl = {0211.25201},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1969__28_2_115084/}
}