%0 Journal Article %A V. N. Orlov %T An optimal irreversible Carnot cycle containing three isotherms %J Doklady Akademii Nauk %D 1985 %P 1352-1357 %V 282 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_282_6_a17/ %G ru %F DAN_1985_282_6_a17