@article{CMFD_2024_70_4_a9,
     author = {V. A. Kostin and D. V. Kostin and M. N. Silaeva},
     title = {On the construction of the square root for some differential operators},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {636--642},
     year = {2024},
     volume = {70},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2024_70_4_a9/}
}