Li, YanYan On a singularly perturbed elliptic equation. (English) Zbl 1023.35500 Adv. Differ. Equ. 2, No. 6, 955-980 (1997). Cited in 109 Documents MSC: 35B25 Singular perturbations in context of PDEs 35J60 Nonlinear elliptic equations 35Q55 NLS equations (nonlinear Schrödinger equations) × Cite Format Result Cite Review PDF