-
Ö. Uğur, M.U. Akhmet, “The Sturm-Liouville operator on the space of functions with discontinuity conditions”, Computers & Mathematics with Applications, 51:6-7 (2006), 889
-
Ö. Uğur, M.U. Akhmet, “Boundary value problems for higher order linear impulsive differential equations”, Journal of Mathematical Analysis and Applications, 319:1 (2006), 139