@article{2752, author = {Gastl, George C.}, title = {Bitopological spaces from quasi-proximities}, journal = {Portugaliae mathematica}, volume = {33}, year = {1974}, pages = {213-218}, zbl = {0311.54037}, mrnumber = {0385809}, language = {en}, url = {http://dml.mathdoc.fr/item/2752} }
Gastl, George C. Bitopological spaces from quasi-proximities. Portugaliae mathematica, Tome 33 (1974) pp. 213-218. http://gdmltest.u-ga.fr/item/2752/