1983-1984/77/2

Hasse's principle for systems of ternary quadratic forms and for one biquadratic form

Sufficient condition for Pareto optimization in Banach spaces

Commutative differential algebras with an algebraic element

Modular spaces over a field with valuation generated by a (ω,ϑ)-convex modular

On non-removable ideals in commutative locally convex algebras

Entropy numbers of r-nuclear operators between ${\displaystyle L_p}$ spaces

A theory for ungrounded electrical grids and its application to the geophysical exploration of layered strata

On operator-valued analytic functions with positive real part whose logarithm belongs to a ${\displaystyle C_p}$ class