@article{ZNSL_2019_479_a0,
     author = {N. Vavilov},
     title = {Commutators of congruence subgroups in the arithmetic case},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--22},
     publisher = {mathdoc},
     volume = {479},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2019_479_a0/}
}