TY - JOUR AU - Ismet Karaca AU - Mustafa Özkan TI - Homotopy extension property for multi-valued functions JO - Mathematica Moravica PY - 2023 SP - 1 EP - 12 VL - 27 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/MM3_2023_27_1_a0/ ID - MM3_2023_27_1_a0 ER -