@article{EMJ_2019_10_4_a7,
     author = {G. G. Magaril-Il'yaev and E. O. Sivkova},
     title = {Optimal recovery of semi-group operators from inaccurate data},
     journal = {Eurasian mathematical journal},
     pages = {75--84},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2019_10_4_a7/}
}