"Problemes inversos (Equacions diferencials)" . . "Physique mathématique." . . "Inverse problems (Differential equations) Numerical solutions." . . "Hyperbolische Differentialgleichung." . . "Inverses Problem." . . "Mathematical physics." . . "Problèmes inverses (équations différentielles) Solutions numériques." . . "Física matemàtica." . . . . . . . . . . . . . . . . . . . . . . . "Investigation methods for inverse problems" . "Investigation methods for inverse problems"@en . . . "Electronic books"@en . . . "Hyperbolische Differentialgleichung Inverses Problem." . .