373744 Gripenberg, G., Londen, S., & Staffans, O. J. (1990). Volterra integral and functional equations. Cambridge ,UK : Cambridge University Press.
Chicago-čujuhus (17. p.)373744 Gripenberg, G., Stig-Olof Londen, juo Olof J. Staffans. Volterra Integral and Functional Equations. Cambridge ,UK : Cambridge University Press, 1990.
MLA-čujuhus (9. p.)373744 Gripenberg, G., et al. Volterra Integral and Functional Equations. Cambridge ,UK : Cambridge University Press, 1990.
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