TY - JOUR AU - Xia, Qinglan TI - The formation of a tree leaf JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2007 SP - 359 EP - 377 VL - 13 IS - 2 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv:2007016/ DO - 10.1051/cocv:2007016 LA - en ID - COCV_2007__13_2_359_0 ER -