TY - JOUR AU - Du, Yihong AU - Liang, Xing TI - Pulsating semi-waves in periodic media and spreading speed determined by a free boundary model JO - Annales de l'I.H.P. Analyse non linéaire PY - 2015 SP - 279 EP - 305 VL - 32 IS - 2 PB - Elsevier UR - http://www.numdam.org/articles/10.1016/j.anihpc.2013.11.004/ DO - 10.1016/j.anihpc.2013.11.004 LA - en ID - AIHPC_2015__32_2_279_0 ER -