@article{CMFD_2006_19_a2,
     author = {L. V. Lokutsievskii},
     title = {Accumulation of {Switchings} in {Search} {Problems}},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {70--77},
     publisher = {mathdoc},
     volume = {19},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2006_19_a2/}
}