@article{10_14708_cm_v11i1_5626, author = {J. Musia{\l}ek}, title = {On a certain property of the equation {\(\Delta^p} u+k u = 0\)}, journal = {Commentationes Mathematicae}, pages = { 289--295}, publisher = {mathdoc}, volume = {11}, number = {1}, year = {1968}, doi = {10.14708/cm.v11i1.5626}, language = {pl}, url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v11i1.5626/} }