%0 Journal Article %A O'REGAN, DONAL %A ORPEL, ALEKSANDRA %T EIGENVALUE PROBLEMS FOR SINGULAR ODES %J Glasgow mathematical journal %D 2011 %P 301-312 %V 53 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089510000716/ %R 10.1017/S0017089510000716 %F 10_1017_S0017089510000716