@article{700915,
     title = {Non-$F$-spaces},
     booktitle = {General Topology and its Relations to Modern Analysis and Algebra},
     series = {GDML\_Books},
     publisher = {Academia Publishing House of the Czechoslovak Academy of Sciences},
     address = {Praha},
     year = {1962},
     pages = {311-315},
     mrnumber = {MR0145475},
     zbl = {0114.14202},
     url = {http://dml.mathdoc.fr/item/700915}
}

Šedivá-Trnková, Věra. Non-$F$-spaces, dans General Topology and its Relations to Modern Analysis and Algebra, GDML_Books,  (1962), pp. 311-315. http://gdmltest.u-ga.fr/item/700915/