ERKEKOĞLU, Fazilet;SALİHOĞLU, H. Hilmi2019-04-192019-04-191303-5991http://hdl.handle.net/20.500.12575/60962https://doi.org/10.1501/Commua1_0000000485Surfaces of parallel mean curvature in four dimensional manifolds of constant curvature031038