Pütter, Rolf. "On the nodal lines of second eigenfunctions of the fixed membrane problem.." Commentarii mathematici Helvetici 65.1 (1990): 96-103. <http://eudml.org/doc/140185>.
@article{Pütter1990, author = {Pütter, Rolf}, journal = {Commentarii mathematici Helvetici}, keywords = {second Dirichlet eigenfunctions; Laplacian; nodal set; convexity}, number = {1}, pages = {96-103}, title = {On the nodal lines of second eigenfunctions of the fixed membrane problem.}, url = {http://eudml.org/doc/140185}, volume = {65}, year = {1990}, }
TY - JOUR AU - Pütter, Rolf TI - On the nodal lines of second eigenfunctions of the fixed membrane problem. JO - Commentarii mathematici Helvetici PY - 1990 VL - 65 IS - 1 SP - 96 EP - 103 KW - second Dirichlet eigenfunctions; Laplacian; nodal set; convexity UR - http://eudml.org/doc/140185 ER -