@article{TIMB_2006_14_1_a6,
     author = {I. A. Ivanishko and V. G. Krotov},
     title = {Generalized {Poincar\'e--Sobolev} inequality on metric spaces},
     journal = {Trudy Instituta matematiki},
     pages = {51--61},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMB_2006_14_1_a6/}
}