Sheftel, Z. G., & Шефтель, З. Г. (1966). General theory of boundary value problems for elliptical systems with discontinuous coefficients. Institute of Mathematics, NAS of Ukraine.
Chicago Style (17th ed.) CitationSheftel, Z. G., and З. Г Шефтель. General Theory of Boundary Value Problems for Elliptical Systems with Discontinuous Coefficients. Institute of Mathematics, NAS of Ukraine, 1966.
MLA (8th ed.) CitationSheftel, Z. G., and З. Г Шефтель. General Theory of Boundary Value Problems for Elliptical Systems with Discontinuous Coefficients. Institute of Mathematics, NAS of Ukraine, 1966.
Warning: These citations may not always be 100% accurate.