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Author: Rzepecki, Bogdan

• Rzepecki, Bogdan: Note on hyperbolic partial differential equations. (English). Mathematica Slovaca, vol. 31 (1981), issue 3, pp. 243-250
• Rzepecki, Bogdan: A note on hyperbolic partial differential equations. II. (English). Mathematica Slovaca, vol. 31 (1981), issue 4, pp. 355-364