 The Riemann Problem for the Transportation Equations in Gas Dynamics (Memoirs of the American Mathematical Society, 654) by Wancheng Sheng, Tung Chang, et all January, 1999
 The Riemann Boundary Problem on Riemann Surfaces (Mathematics and Its Applications, Soviet Series) by Yu L. Rodin, March, 1988
 21ia problema Gilberta dlia lineinykh fuksovykh sistem by A. A. Bolibrukh,
 Factorization and Integrable Systems: Summer School in Faro, Portugal, September 2000 (Operator Theory, Advances and Applications, V. 141) by I. Gohberg, Nenad Manojlovic, et all April, 2003
 The Stokes Phenomenon and Hilbert's 16th Problem: Groningen, the Netherlands: 31 May3 June 1995 by B. L. J. Braaksma, Geertrui K. Immink, et all June, 1996
 Ordinary Differential Equations and Hilbert's 16th Problem by YuanHsun Ch'In, June, 1992
 Desiataia problema GilÂ§berta by IU. V. Matiiasevich,
 Riemann's Boundary Problem With Infinite Index (Operator Theory, Advances and Applications, Vol. 67) by N.V. Govorov, Yu.I. Lyubarskii, 23 March, 1994
 The Riemann Problem, Complete Integrability and Arithmetic Applications: Proceedings of a Seminar Held at the Institut Des Hautes Etudes Scientifiques, BuresSurYvette, France, and at Columbia University, New York, U.S.a (Lecture Notes in Mathematics (SpringerVerlag), 925.) by Complete Integrability and Arithmetic Seminar on the Riemann Problem, D. Chudnovsky, et all May, 1982
 HamiltonJacobi Equations in Hilbert Spaces by Viorel Barbu, May, 1986
