@article{700992,
     title = {Categorial aspects are useful for topology},
     booktitle = {General topology and its relations to modern analysis and algebra IV},
     series = {GDML\_Books},
     publisher = {Springer},
     address = {Berlin},
     year = {1977},
     pages = {[211]-225},
     mrnumber = {MR0458370},
     zbl = {0357.54007},
     url = {http://dml.mathdoc.fr/item/700992}
}

Trnková, Věra. Categorial aspects are useful for topology, dans General topology and its relations to modern analysis and algebra IV, GDML_Books,  (1977), pp. [211]-225. http://gdmltest.u-ga.fr/item/700992/