TY - JOUR AU - Mehmet Açıkgöz TI - Some Results About Best and 2-Best Approximation on 2-Structures JO - Mathematica Moravica PY - 2009 SP - 1 EP - 11 VL - 13 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/MM3_2009_13_1_a0/ ID - MM3_2009_13_1_a0 ER -