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@article{MV_1970_22_4_a8, author = {D. V. Thampuran}, title = {Products of proximites}, journal = {Matemati\v{c}ki vesnik}, pages = {515 }, publisher = {mathdoc}, volume = {22}, number = {4}, year = {1970}, url = {http://geodesic.mathdoc.fr/item/MV_1970_22_4_a8/} }
D. V. Thampuran. Products of proximites. Matematički vesnik, Tome 22 (1970) no. 4, p. 515 . http://geodesic.mathdoc.fr/item/MV_1970_22_4_a8/