PrykarpatskyA. K. and SamoilenkoV. G. (2004) “Structure of Binary Darboux-Type Transformations for Hermitian Adjoint Differential Operators”, Ukrains’kyi Matematychnyi Zhurnal, 56(2), pp. 271-275. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3751 (Accessed: 24November2024).