@article{FPM_2009_15_1_a12,
     author = {E. E. Shirshova},
     title = {On semidirect products and wreath products of partially ordered groups},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {175--184},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2009_15_1_a12/}
}