%0 Journal Article %A V. V. Sychev %A V. B. Zenkevich %A V. V. Andrianov %A V. A. Al'tov %T Jump of critical alternating current in a superconducting solenoid in helium when crossing the $\lambda$-point %J Doklady Akademii Nauk %D 1964 %P 60-62 %V 159 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_159_1_a14/ %G ru %F DAN_1964_159_1_a14