@article{RM_1988_43_4_a22,
     author = {N. S. Nadirashvili},
     title = {On~the length of the nodal curve of an~eigenfunction of the {Laplace} operator},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {227--228},
     publisher = {mathdoc},
     volume = {43},
     number = {4},
     year = {1988},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1988_43_4_a22/}
}