ENTROPY AS A DYNAMIC VARIABLE ArticleTERLETSKII Y.P.IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII FIZIKA / Russian Physics Journal. Vol. 26. 1983. P.. 96-100
THE QUANTUM PROBLEM OF A HYDROGEN-LIKE ATOM ArticleSIDORKOV N.V.IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII FIZIKA / Russian Physics Journal. Vol. 26. 1983. P.. 107-111