Bove, Antonio. Propagation of singularities for Fuchsian Operators / Antonio Bove, Jeff E.Lewis, Cesare Parenti. - Berlin: Springer-Verlag, 1983. - 160 p.; 25 cm. - Lecture notes in mathematics; 984. . Subjects--Topical Terms: Differential equations, Hyperbolic.Pseudodifferential operators.Singularities (Mathematics).