@article{EMJ_2016_7_3_a3,
     author = {B. N. Biyarov},
     title = {Normal extensions of linear operators},
     journal = {Eurasian mathematical journal},
     pages = {17--32},
     publisher = {mathdoc},
     volume = {7},
     number = {3},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2016_7_3_a3/}
}