@article{700766,
     title = {Preface},
     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 = {1972},
     pages = {5-5},
     url = {http://dml.mathdoc.fr/item/700766}
}

 (éd.). Preface, dans General Topology and its Relations to Modern Analysis and Algebra, GDML_Books,  (1972), p. 5. http://gdmltest.u-ga.fr/item/700766/