@article{MT_2011_14_2_a5,
     author = {Yu. Yu. Linke and A. I. Sakhanenko},
     title = {On solutions to the equation for improving additives in regression problems},
     journal = {Matemati\v{c}eskie trudy},
     pages = {127--146},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_2011_14_2_a5/}
}