@article{BMMS_2014_37_1_a13,
     author = {Yilmaz G\"und\"uzalp and Bayram Sahin},
     title = {Para-Contact {Para-Complex} {Semi-Riemannian} {Submersions}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2014},
     volume = {37},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2014_37_1_a13/}
}