@article{ACIRM_2013__3_1_11_0,
     author = {Joseph H.G. Fu},
     title = {Piecewise linear approximation of smooth functions of two variables},
     journal = {Actes des rencontres du CIRM},
     pages = {11--16},
     publisher = {CIRM},
     volume = {3},
     number = {1},
     year = {2013},
     doi = {10.5802/acirm.51},
     language = {en},
     url = {https://acirm.centre-mersenne.org/articles/10.5802/acirm.51/}
}