@article{VTAMU_2024_29_147_a6,
     author = {V. I. Fomin},
     title = {About complex operator functions
},
     journal = {Vestnik rossijskih universitetov. Matematika},
     pages = {325--251},
     publisher = {mathdoc},
     volume = {29},
     number = {147},
     year = {2024},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTAMU_2024_29_147_a6/}
}