%0 Journal Article %A Åke Pleijel %T On the boundary condition for the Legendre polynomials %J Annales Fennici Mathematici %D 1976 %P 397-408 %V 2 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1976.0227/ %R 10.5186/aasfm.1976.0227 %G en %F AFM_1976_2_1_a38