@article{PFMT_2014_4_a9,
     author = {R. Gabasov and F. M. Kirillova and Vo Thi Thanh Ha},
     title = {Observation of linear systems on the principle of disclosable loop},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {60--69},
     year = {2014},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2014_4_a9/}
}