TY  - JOUR
AU  - Makai, E.
TI  - On the principal frequency of a convex membrane and related problems
JO  - Czechoslovak Mathematical Journal
PY  - 1959
SP  - 66
EP  - 70
VL  - 09
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1959.100341/
DO  - 10.21136/CMJ.1959.100341
LA  - en
ID  - 10_21136_CMJ_1959_100341
ER  -