Problems of mathematical physics [by] N.N. Lebedev, I.P. Skalskaya [and] Y.S. Uflyand. Sbornik zadach po matematicheskoĭ fizike. English Lebedev, N. N. (Nikolaĭ Nikolaevich) Skalʹskai︠a︡, I. P., joint author. Ufli︠a︡nd, I︠A︡. S. (I︠A︡kov Solomonovich), joint author. Silverman, Richard A., ed. and tr. Mathematical physics. QC20 .L383 530.15 LEP Translation of [Sbornik zadach po matematicheskoĭ fizike] Bibliography: p. 415-422. Englewood Cliffs, N.J., Prentice-Hall [1965] [1965] 1965 Text xi, 429 p. eng eng rus Selected Russian publications in the mathematical sciences