@article{NANO_2023_14_3_a1,
     author = {Tulkin Rasulov and Elyor Dilmurodov},
     title = {The first {Schur} complement for a lattice spin-boson model with at most two photons},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {304--311},
     publisher = {mathdoc},
     volume = {14},
     number = {3},
     year = {2023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2023_14_3_a1/}
}