%0 Journal Article %A Joseph H.G. Fu %T Piecewise linear approximation of smooth functions of two variables %J Actes des rencontres du CIRM %D 2013 %P 11-16 %V 3 %N 1 %I CIRM %U https://acirm.centre-mersenne.org/articles/10.5802/acirm.51/ %R 10.5802/acirm.51 %G en %F ACIRM_2013__3_1_11_0