@article{10_21136_CMJ_1988_102218,
     author = {\v{S}vec, Alois},
     title = {Spectrum of 2-dimensional manifolds},
     journal = {Czechoslovak Mathematical Journal},
     pages = {237--244},
     publisher = {mathdoc},
     volume = {38},
     number = {2},
     year = {1988},
     doi = {10.21136/CMJ.1988.102218},
     mrnumber = {946292},
     zbl = {0745.53030},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1988.102218/}
}