@article{ACIRM_2013__3_1_51_0,
     author = {Olsson, Carl and Boykov, Yuri},
     title = {Tangential {Approximation} of {Surfaces}},
     journal = {Actes des rencontres du CIRM},
     pages = {51--60},
     publisher = {CIRM},
     volume = {3},
     number = {1},
     year = {2013},
     doi = {10.5802/acirm.54},
     zbl = {06938602},
     language = {en},
     url = {http://archive.numdam.org/articles/10.5802/acirm.54/}
}