%0 Journal Article %A Giovanni Alessandrini %T Nodal lines of eigenfunctions of the fixed membrane problem in general convex domains. %J Commentarii mathematici Helvetici %D 1994 %P 142-154 %V 69 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1994__69_4_140330/ %F CMH_1994__69_4_140330