TY - JOUR AU - Felipe Alexander Pipicano AU - Juan Carlos Muñoz Grajales TI - Existence of periodic standing wave solutions for a system describing pulse propagation in an optical fiber JO - Revista colombiana de matematicas PY - 2019 SP - 87 EP - 107 VL - 53 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RCM_2019_53_1_a6/ ID - RCM_2019_53_1_a6 ER -