Author: Herrmann, Leopold

Herrmann, Leopold: Periodic solutions to a one-dimensional strongly nonlinear wave equation with strong dissipation. (English). Czechoslovak Mathematical Journal, vol. 35 (1985), issue 2, pp. 278-294
Herrmann, Leopold: Periodic solutions of abstract differential equations: the Fourier method. (English). Czechoslovak Mathematical Journal, vol. 30 (1980), issue 2, pp. 177-206
Herrmann, Leopold; Štědrý, Milan: Periodic solutions of weakly nonlinear wave equations in unbounded intervals. (English). Czechoslovak Mathematical Journal, vol. 28 (1978), issue 3, pp. 343-355

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