@article{CLTM_1981_1981_1_a13,
     author = {Navarro, J. L.},
     title = {Co-H-grupos: {Obstrucci\'on} a la commutatividad y aplicaciones centrales.},
     journal = {Collectanea mathematica},
     pages = {235-244},
     publisher = {mathdoc},
     volume = {32},
     number = {3},
     year = {1981},
     zbl = {0516.55011},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1981_1981_1_a13/}
}