%0 Journal Article %A B. Malcom Brown %A W. Desmond Evans %T On the Limit-Point and Strong Limit-Point Classification of 2 n-th Order Differential Expressions with Widly Oscillating Coefficients. %J Mathematische Zeitschrift %D 1973 %P 351-368 %V 134 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1973__134_171991/ %G en %F MZ_1973__134_171991