TY - JOUR AU - Patricio A. Felmer AU - Salomé Martínez AU - Kazunaga Tanaka TI - On the number of positive solutions of singularly perturbed 1D NLS JO - Journal of the European Mathematical Society PY - 2006 SP - 253 EP - 268 VL - 8 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4171/jems/51/ DO - 10.4171/jems/51 ID - JEMS_2006_8_2_a9 ER -