@article{AA_2005_17_6_a2,
     author = {S. A. Nazarov and A. S. Slutskij},
     title = {Averaging of an elliptic system under condensing perforation of a~domain},
     journal = {Algebra i analiz},
     pages = {125--160},
     publisher = {mathdoc},
     volume = {17},
     number = {6},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2005_17_6_a2/}
}