Qualitative theory of half-linear second order differential equations.
(English).
In:
Krbec, M.
and
Kuben, J. (eds.):
Proceedings of Equadiff 10,
Czechoslovak International Conference on Differential Equations and Their Applications, Prague, August 27-31, 2001.
[Part 1] Invited Lectures.
Masaryk University, Brno, 2002.
pp. 37-50