1990/51/1

Zdzisław Opial---a mathematician 1930--1974

Bibliography of Zdzisław Opial compiled by Jan Malczak and Andrzej Pelczar

On improper isolated intersection in complex analytic geometry

Controllability and observability of control systems under uncertainty

On positive eigenvectors of a linear eigenvalue problem

On polynomial mappings into spheres

The characterization of the cut of funnel in a planar semidynamical system

On centers of cubic systems

Some results on the ultimate behavior of solutions of Volterra functional-differential equations

On the lifting of invariant measures

A proof of the minimum principle using flows

A note on boundary value problems for second order differential equations

Markov operators defined by Volterra type integrals with advanced argument

Lyapunov numbers for a countable system of ordinary differential equations

A note on holomorphic mappings with two fixed points

A simple boundedness theorem for a Liénard equation with damping

Approximate fixed points for nonexpansive mappings in uniformly convex spaces

Metrization of D_E[0,1] by Hausdorff distance between graphs

On a generalization of the Perron integral on one-dimensional intervals

On the structure of Mellin distributions

Control of quasi-differential equations

Nonlinear eigenvalue problems with the parameter near resonance

A Jacobian condition for injectivity of differentiable plane maps

Commutation relations involving spectrally scattered operators

Remarks on some generalizations of asymptotic periodicity in dynamical systems on metric spaces

A Cantor regular set which does not have Markov's property

Newton polygons and the Łojasiewicz exponent of a holomorphic mapping of ${\displaystyle C^2}$

Global asymptotic behavior of solutions of positively damped Liénard equations

On series of homogeneous polynomials and their partial sums

Kato-Protter type inequalities, bounded vectors and the exponential function

Paley-Wiener theorems for the Mellin transformation

Parabolic equations with coefficients depending on t and parameters

Mean value theorems for linear and semi-linear rotation invariant operators

Релаксационные колебания в системах с переключением