@article{BMMS_2010_33_1_a4,
     author = {Siddika \"Ozkaldi and Yusuf Yayli},
     title = {Tensor {Product} {Surfaces} in {\ensuremath{\mathbb{R}}4and} {Lie} {Groups}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2010},
     volume = {33},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2010_33_1_a4/}
}