@article{SMJ2_1999_25_1_a7,
     author = {Erdem, Sadettin},
     title = {Some {Para-Hermitian} {Related} {Complex} {Structures} and {Non-existence} of {Semi-Riemannian} {Metric} on {Some} {Spheres}},
     journal = {Serdica Mathematical Journal},
     pages = {83--90},
     publisher = {mathdoc},
     volume = {25},
     number = {1},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_1999_25_1_a7/}
}