@article{BUMI_2002_8_5B_1_a7,
     author = {Mantero, A. M. and Zappa, A.},
     title = {Eigenfunctions of the {Laplace} operators for buildings of type $\tilde{B}_2$},
     journal = {Bollettino della Unione matematica italiana},
     pages = {163--195},
     publisher = {mathdoc},
     volume = {Ser. 8, 5B},
     number = {1},
     year = {2002},
     zbl = {1177.51010},
     mrnumber = {1463728},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2002_8_5B_1_a7/}
}