@article{SMAI-JCM_2019__S5__129_0,
     author = {Lyche, Tom and Muntingh, Georg},
     title = {B-spline-like bases for $C^2$ cubics on the {Powell{\textendash}Sabin} 12-split},
     journal = {The SMAI Journal of computational mathematics},
     pages = {129--159},
     publisher = {Soci\'et\'e de Math\'ematiques Appliqu\'ees et Industrielles},
     volume = {S5},
     year = {2019},
     doi = {10.5802/smai-jcm.56},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/smai-jcm.56/}
}