@article{ZVMMF_1993_33_2_a2,
     author = {R. K. Tagiyev},
     title = {Estimating the rate of convergence of the straight-line and regularization methods in the problem of optimal control of the coefficients of a hyperbolic equation},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {189--194},
     publisher = {mathdoc},
     volume = {33},
     number = {2},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1993_33_2_a2/}
}