@article{700788,
     title = {Proximity approach to topological problems},
     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 = {141-142},
     mrnumber = {MR0353264},
     zbl = {0314.54027},
     url = {http://dml.mathdoc.fr/item/700788}
}

Gagrat, M.; Naimpally, S. A. Proximity approach to topological problems, dans General Topology and its Relations to Modern Analysis and Algebra, GDML_Books,  (1972), pp. 141-142. http://gdmltest.u-ga.fr/item/700788/