@article{IM2_1995_59_3_a2,
     author = {P. A. Zalesskii},
     title = {Normal subgroups of free constructions of profinite groups and the congruence kernel in the case of positive characteristic},
     journal = {Izvestiya. Mathematics },
     pages = {499--516},
     publisher = {mathdoc},
     volume = {59},
     number = {3},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1995_59_3_a2/}
}