Olver, Peter J. ( w 2 rekordach )
- Olver, P.
- Kp. Applications of Lie groups to differential equations / Peter J. Olver. - 2nd ed. - New York, 1993.
- Kp. Group theoretic methods in bifurcation theory / D. H. Sattinger ; with an appendix by P. Olver. - Berlin, 1979.
- LCC online