Helsinki symposium on integral equations :Otaniemi, Finlande, Londen, S., & Staffans, O. J. Volterra Equations: Proceedings of the Helsinki Symposium on Integral Equations, Otaniemi, Finland, August 11 14, 1978. Springer.
Citazione stile Chigago Style (17a edizione)Helsinki symposium on integral equations :Otaniemi, Finlande, Stig-Olof Londen, e Olof J. Staffans. Volterra Equations: Proceedings of the Helsinki Symposium on Integral Equations, Otaniemi, Finland, August 11 14, 1978. Berlin [etc.]: Springer.
Citatione MLA (8a ed.)Helsinki symposium on integral equations :Otaniemi, Finlande, et al. Volterra Equations: Proceedings of the Helsinki Symposium on Integral Equations, Otaniemi, Finland, August 11 14, 1978. Springer.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.