TY - JOUR AU - O. V. Kravtsova TI - Elementary abelian $2$-subgroups in an autotopism group of a semifield projective plane JO - The Bulletin of Irkutsk State University. Series Mathematics PY - 2020 SP - 49 EP - 63 VL - 32 UR - http://geodesic.mathdoc.fr/item/IIGUM_2020_32_a3/ LA - en ID - IIGUM_2020_32_a3 ER -