@article{INTO_1999_65_a4,
     author = {V. M. Tikhomirov},
     title = {Extremum theory and extremal problems of classical analysis},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {188--258},
     publisher = {mathdoc},
     volume = {65},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_1999_65_a4/}
}