@article{DM_2021_33_2_a3,
     author = {D. A. Burov},
     title = {On the existence of special nonlinear invariants for round functions of {XSL-ciphers}},
     journal = {Diskretnaya Matematika},
     pages = {31--45},
     publisher = {mathdoc},
     volume = {33},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2021_33_2_a3/}
}