@article{UFA_2017_9_4_a5,
     author = {V. A. Klyachin},
     title = {On continuity and differentiability  of the maximum values of functions},
     journal = {Ufa mathematical journal},
     pages = {54--58},
     publisher = {mathdoc},
     volume = {9},
     number = {4},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2017_9_4_a5/}
}