On lower-semicontinuity of variational integrals.
(English).
In:
Brunovský, Pavol
and
Medveď, Milan (eds.):
Equadiff 8.
Czech - Slovak Conference on Differential Equations and Their Applications. Bratislava, August 24-28, 1993.
Mathematical Institute, Slovak Academy of Sciences, Bratislava, 1994.
pp. 217-220