Bayramoglu M, Ozden Koklu K. Green’s function of differential equation with fourth order and normal operator coefficient in half axis. Proyecciones (Antofagasta, On line) [Internet]. 2017Apr.24 [cited 2024Apr.29];22(1):15-30. Available from: https://www.revistaproyecciones.cl/index.php/proyecciones/article/view/1491