@article{10_14708_cm_v16i1_5726,
     author = {M. Filar},
     title = {On a certain boundary problem for the equation {\(\Delta^2u-C^4u=0\)}},
     journal = {Commentationes Mathematicae},
     pages = { 83--90},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {1972},
     doi = {10.14708/cm.v16i1.5726},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v16i1.5726/}
}