@article{MZM_1983_33_4_a5,
     author = {I. A. Pakhnutov},
     title = {Necessary conditions for the existence of a minimum in $L_\infty$ for certain functionals},
     journal = {Matemati\v{c}eskie zametki},
     pages = {539--548},
     publisher = {mathdoc},
     volume = {33},
     number = {4},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1983_33_4_a5/}
}