%0 Journal Article %A PrĂ¡ger, Milan %T Eigenvalues and eigenfunctions of the Laplace operator on an equilateral triangle for the discrete case %J Applications of Mathematics %D 2001 %P 231-239 %V 46 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1023/A:1013744008028/ %R 10.1023/A:1013744008028 %G en %F 10_1023_A_1013744008028