@article{EXMA_2006__15_1_225916,
     author = {Baragar, Arthur},
     title = {Fractals and the base eigenvalue of the {Laplacian} on certain noncompact surfaces.},
     journal = {Experimental mathematics},
     pages = {33--42},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {2006},
     zbl = {1153.30035},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMA_2006__15_1_225916/}
}