@article{JSFU_2009_2_2_a2,
     author = {Viktor K. Andreev},
     title = {On {Inequalities} of the {Friedrichs} type for {Combined} {Domains}},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {146--157},
     publisher = {mathdoc},
     volume = {2},
     number = {2},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2009_2_2_a2/}
}