On the defect spectrum of an extension of a Banach space operator
Second order differentiability and Lipschitz smooth points of convex functionals
σ-Elements in Multiplicative Lattices
On the Neumann-Poincaré operator
On L-fuzzy Ideals in Semirings I
Nonoscillation and asymptotic behaviour for third order nonlinear differential equations
Localization of global existence of holomorphic solutions of holomorphic differential equations with infinite dimensional parameter
An algebraic characterization of geodetic graphs1
A gradient estimate for solutions of the heat equation
Pseudo-symmetric ideals of semigroup and their radicals
Convergence estimate for second order Cauchy problems with a small parameter
Über symmetrische Operatoren auf Banachverbänden Und Arens-Regularität
Translativity of absolute weighted mean summability
Solution of the Neumann problem for the Laplace equation
On a class of real normed lattices
Antiatomic retract varieties of monounary algebras
A new proof of a characterization of the set of all geodesics in a connected graph
Some results on projection of planar sets
On covers in the lattice of representable ℓ-varieties