@article{CLTM_1995_1995_1_a1,
     author = {Schwarz, Stefan},
     title = {F\'ormula universal del tipo {Euler-Fermat} para subconjuntos de {Zm.}},
     journal = {Collectanea mathematica},
     pages = {183-193},
     publisher = {mathdoc},
     volume = {46},
     number = {1-2},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1995_1995_1_a1/}
}