@article{JNSA_2016_9_1_a6,
     author = {Caristi, Giuseppe and Pettineo, Maria and Stoka, Marius},
     title = {A {Laplace} type problem for three lattices with non-convex cell },
     journal = {Journal of nonlinear sciences and its applications},
     pages = {75-82},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {2016},
     doi = {10.22436/jnsa.009.01.07},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.22436/jnsa.009.01.07/}
}