@article{RMC_2002_2002_1_a5,
     author = {Nikkuni, Ryo},
     title = {Homotop{\'\i}a de enlaces delta en grafos espaciales.},
     journal = {Revista matem\'atica complutense},
     pages = {543-570},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RMC_2002_2002_1_a5/}
}