@article{ZNSL_2020_496_a4,
     author = {Kh. D. Ikramov},
     title = {Congruence verification for involutive matrices},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {87--93},
     year = {2020},
     volume = {496},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2020_496_a4/}
}