Content of CMUC 28 (1987), No.4

Hetzer G.
Forced periodic oscillations in the climate system via an energy balance model. Comment.Math.Univ.Carolinae 28(1987) 593--601.
Hébert M.
On the reflective hull problem. Comment.Math.Univ.Carolinae 28(1987) 603--606.
Balcar B., Kalášek P., Scott Williams W.
On the multiple Birkhoff recurrence theorem in dynamics. Comment.Math.Univ.Carolinae 28(1987) 607--612.
Šedová L'.
Parabolic equations with deviating argument in advance. Comment.Math.Univ.Carolinae 28(1987) 613--628.
Hajnal A., Juhász I., Soukup L.
On saturated almost disjoint families. Comment.Math.Univ.Carolinae 28(1987) 629--633.
Mlček J.
Set-like equivalence and inner and outer cuts. Comment.Math.Univ.Carolinae 28(1987) 635--647.
Papageorgiou N.S.
Random functional-differential inclusions with nonconvex right hand side in a Banach space. Comment.Math.Univ.Carolinae 28(1987) 649--654.
Tarafdar E., Mehta G.
A generalized version of the Gale--Nikaido--Debreu theorem. Comment.Math.Univ.Carolinae 28(1987) 655--659.
Greco C.
Remarks on periodic solutions, with prescribed energy, for singular Hamiltonian systems. Comment.Math.Univ.Carolinae 28(1987) 661--672.
Fuchs M.
Everywhere regularity theorems for mappings which minimize $p$-energy. Comment.Math.Univ.Carolinae 28(1987) 673--677.
Hájek P.
Partial conservativity revisited. Comment.Math.Univ.Carolinae 28(1987) 679--690.
Čuda K., Vojtášková B.
Minimal monads. Comment.Math.Univ.Carolinae 28(1987) 691--706.
Švarc R.
Some combinatorial results about the operators with jumping nonlinearities. Comment.Math.Univ.Carolinae 28(1987) 707--733.
Milojević P.S.
Solvability of semilinear equations with strong nonlinearities and applications to elliptic boundary value problems. Comment.Math.Univ.Carolinae 28(1987) 735--750.
Dimov G.D., Isler R., Tironi G.
On functions preserving almost radiality and their relations to radial and pseudo-radial spaces. Comment.Math.Univ.Carolinae 28(1987) 751--781.