TY - JOUR AU - E. E. Shirshova TI - On semidirect products and wreath products of partially ordered groups JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2009 SP - 175 EP - 184 VL - 15 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2009_15_1_a12/ LA - ru ID - FPM_2009_15_1_a12 ER -