TY - JOUR AU - Milan Tasković TI - Diametral $\varphi$-Contraction on Topological Spaces JO - Mathematica Moravica PY - 2011 SP - 59 EP - 63 VL - 15 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/MM3_2011_15_1_a8/ ID - MM3_2011_15_1_a8 ER -