@article{SJVM_2007_10_1_a4,
     author = {M. Yu. Senashova},
     title = {Error estimation of computing a~multivariable function and its gradient},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {77--88},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2007_10_1_a4/}
}