Elliptic partial differential equations of second order. (Ehllipticheskie differentsial’nye uravneniya s chastnymi proizvodnymi vtorogo poryadka). (Ehllipticheskie differentsial’nye uravneniya s chastnymi proizvodnymi vtorogo poryadka.) Transl. from the English by L. P. Kuptsov. Transl. ed. by A. K. Gushchin. (Russian)
Moskva: Nauka. 464 p. (1989).
See the review of the first English edition in Zbl 0361.35003 and of the second enlarged English edition in Zbl 0562.35001.