@article{SJVM_2014_17_4_a1,
     author = {E. A. Kotel'nikov},
     title = {Minimization of a~quadratic function on the sphere},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {329--338},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2014_17_4_a1/}
}