@article{SJIM_2021_24_4_a1,
     author = {Yu. P. Apakov and S. M. Mamajonov},
     title = {Solvability of one boundary value problem for a fourth-order equation
},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {25--38},
     publisher = {mathdoc},
     volume = {24},
     number = {4},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2021_24_4_a1/}
}