%0 Journal Article %A A. Ya. Maltsev %A S. P. Novikov %T The theory of closed 1-forms, levels of quasiperiodic functions and transport phenomena in electron systems %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2018 %P 296-315 %V 302 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2018_302_a13/ %G ru %F TM_2018_302_a13