@article{CMFD_2013_51_a8,
     author = {Th. Yu. Popelensky and M. V. Prikhodko},
     title = {Bruns{\textendash}Gubeladze $K$-groups for quadrangular pyramid},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {142--151},
     year = {2013},
     volume = {51},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2013_51_a8/}
}