Kostrobii, P. P.     Semi-infinite metal: electron density distribution and effective pair interionic potentials [Текст] / P.P. Kostrobii, B.M. Markovych // Modern problems of theoretical and mathematical physics : book of abstr. Bogolyubov Kyiv conf., dedicated to the 100-th anniversary of M. M. Bogolyubov (1909-1992), Sept. 15-18, 2009, Kyiv, Ukraine / Intern. Assoc. of Acad. of Sciences, Nat. Acad. of Sciences of Ukraine, Bogolyubov Inst. for Theoretical Physics. — Kyiv, 2009. — P. 116.