@article{ZNSL_2006_333_a2,
     author = {F. L. Bakharev},
     title = {Estimation of maximal distances between spaces with norms invariant under a~group of operators},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {33--42},
     publisher = {mathdoc},
     volume = {333},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2006_333_a2/}
}