@article{ZNSL_2019_482_a6,
     author = {Kh. D. Ikramov},
     title = {An attempt of spectral theory for the $*$-congruence transformations},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {114--119},
     year = {2019},
     volume = {482},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2019_482_a6/}
}