%0 Journal Article %A Y. N. Aliyev %T Minimality of the system of root functions of Sturm–Liouville problems with decreasing affine boundary conditions %J Colloquium Mathematicum %D 2007 %P 147-162 %V 109 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm109-1-12/ %R 10.4064/cm109-1-12 %G en %F 10_4064_cm109_1_12