@article{10_1017_S0017089516000501,
     author = {RUFINO, ELZIMAR},
     title = {SOME {SPHERE} {THEOREMS} {FOR} {SUBMANIFOLDS} {WITH} {POSITIVE} {BIORTHOGONAL} {CURVATURE}},
     journal = {Glasgow mathematical journal},
     pages = {717--728},
     year = {2017},
     volume = {59},
     number = {3},
     doi = {10.1017/S0017089516000501},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089516000501/}
}