Sommaire

On the defect spectrum of an extension of a Banach space operator
p. 609-616
Second order differentiability and Lipschitz smooth points of convex functionals
p. 617-640
$\sigma$-elements in multiplicative lattices
p. 641-651
On the Neumann-Poincaré operator
p. 653-668
On $L$-fuzzy ideals in semirings. I
p. 669-675
Nonoscillation and asymptotic behaviour for third order nonlinear differential equations
p. 677-685
Localization of global existence of holomorphic solutions of holomorphic differential equations with infinite dimensional parameter
p. 687-700
An algebraic characterization of geodetic graphs
p. 701-710
A gradient estimate for solutions of the heat equation
p. 711-725
Pseudo-symmetric ideals of semigroup and their radicals
p. 727-735
Convergence estimate for second order Cauchy problems with a small parameter
p. 737-745
Über symmetrische Operatoren auf Banachverbänden und Arens-Regularität
p. 747-753
Translativity of absolute weighted mean summability
p. 755-761
Solution of the Neumann problem for the Laplace equation
p. 763-784
On a class of real normed lattices
p. 785-792
Antiatomic retract varieties of monounary algebras
p. 793-808
A new proof of a characterization of the set of all geodesics in a connected graph
p. 809-813
Some results on projection of planar sets
p. 815-820
On covers in the lattice of representable $\ell$-varieties
p. 821-831