For Orlicz spaces endowed with the Orlicz norm and the Luxemburg norm, the criteria for uniformly nonsquare points and nonsquare points are given.
@article{118515, author = {Ting Fu Wang and Zhong Rui Shi and Yanhong Li}, title = {On uniformly nonsquare points and nonsquare points of Orlicz spaces}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {33}, year = {1992}, pages = {477-484}, zbl = {0788.46031}, mrnumber = {1209289}, language = {en}, url = {http://dml.mathdoc.fr/item/118515} }
Wang, Ting Fu; Shi, Zhong Rui; Li, Yanhong. On uniformly nonsquare points and nonsquare points of Orlicz spaces. Commentationes Mathematicae Universitatis Carolinae, Tome 33 (1992) pp. 477-484. http://gdmltest.u-ga.fr/item/118515/
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