@article{RCM_2019_53_1_a6,
     author = {Felipe Alexander Pipicano and Juan Carlos Mu\~noz Grajales},
     title = {Existence of periodic standing wave solutions for a system describing pulse propagation in an optical fiber},
     journal = {Revista colombiana de matematicas},
     pages = {87--107},
     publisher = {mathdoc},
     volume = {53},
     number = {1},
     year = {2019},
     url = {http://geodesic.mathdoc.fr/item/RCM_2019_53_1_a6/}
}