@article{RM_2001_56_6_a1, author = {D. Jakobson and N. S. Nadirashvili and J. Toth}, title = {Geometric properties of eigenfunctions}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {1085--1105}, publisher = {mathdoc}, volume = {56}, number = {6}, year = {2001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/RM_2001_56_6_a1/} }