%0 Journal Article
%A Yu. P. Bulashevich
%T Secular variations of geomagnetic field and the classification of magnetic anomalies
%J Doklady Akademii Nauk
%D 1974
%P 313-315
%V 216
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1974_216_2_a19/
%G ru
%F DAN_1974_216_2_a19