@article{EXMATH_1988_1988_1_a32,
     author = {Vera L\'opez, Antonio and Sangr\'oniz, Josu},
     title = {Grupos finitos con exactamente trece clases de conjugaci\'on},
     journal = {Extracta mathematicae},
     pages = {110-112},
     publisher = {mathdoc},
     volume = {3},
     number = {3},
     year = {1988},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_1988_1988_1_a32/}
}