TY - BOOK AU - Kozlov Vladimir AU - Maz'ya Vladimir TI - Theory of a higher-order Sturm-Liouville equation SN - 3-540-63065-1 U1 - 515.352 PY - 1997/// CY - Berlin PB - Springer-Verlag KW - Ordinary differential equation KW - Sturm-liouville equation ER -