%0 Journal Article %A D. V. Thampuran %T Products of proximites %J Matematic̀Œki vesnik %D 1970 %P 515 %V 22 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MV_1970_22_4_a8/ %F MV_1970_22_4_a8