Ladyzhenskaya O.A. Mixed problem for hyperbolic equation. In Russian /Ladyzhenskaya O.A. Smeshannaya zadacha dlya giperbolicheskogo uravneniya. M. State Publishing House of Techno-Theoretical Literature 1953. 279c. We have thousands of titles and often several copies of each title may be available. Please feel free to contact us for a detailed description of the copies available. SKUalbba945a71eddd9c78.