Kresin, Gershon.

Sharp real-part theorems : = a unified approach / by: Mazia, V. G.; Kresin, Gershon. (書目-語言資料,印刷品)

Maximum principles and sharp constants for solutions of elliptic and parabolic systems / by: Kresin, Gershon.; Mazʹi︠a︡, V. G. (書目-語言資料,印刷品)