@article{VKAM_2016_4_a16, author = {S. Yu. Khomutov and I. N. Khomutova}, title = {The possibility of using of the old analog magnetograms of observatories to obtain new data about variations of the {Earth's} magnetic field}, journal = {Vestnik KRAUNC. Fiziko-matemati\v{c}eskie nauki}, pages = {112--117}, publisher = {mathdoc}, number = {4}, year = {2016}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/VKAM_2016_4_a16/} }