DIFFERENTIAL-DIAGNOSIS OF PANCREATITIS BY QUANTITATIVE ASSESSMENT OF ECHOGRAMS Article DVORYAKOVSKY I.V., LYABIS I.A., DVORYAKOVSKAYA G.M. Terapevticheskii Arkhiv. Vol. 55. 1983.
THE QUASIPROBABILITY OPERATOR OF POSITIONS AND MOMENTA IN QUANTUM MECHANICS Article Zaparovannyi Yu.I., Kuryshkin V.V., Lyabis I.A. Soviet Physics Journal. Kluwer Academic Publishers-Plenum Publishers. Vol. 21. 1978. P. 336-339