TY  - JOUR
AU  - Švec, Alois
TI  - Spectrum of 2-dimensional manifolds
JO  - Czechoslovak Mathematical Journal
PY  - 1988
SP  - 237
EP  - 244
VL  - 38
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1988.102218/
DO  - 10.21136/CMJ.1988.102218
LA  - en
ID  - 10_21136_CMJ_1988_102218
ER  -