@article{CMFD_2008_29_a8,
     author = {I. V. Orlov},
     title = {Hilbert compacts, compact ellipsoids, and compact extrema},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {165--175},
     publisher = {mathdoc},
     volume = {29},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2008_29_a8/}
}