Accessible sets for a control system
Uniqueness of optimal trajectories for non-linear control systems
On difference inequalities corresponding to partial differential inequalities of the first order
The problem of non-local existence for solutions of a linear partial differential equation of the first order
On the uniqueness of the non-negative solution of the homogeneous Cauchy problem for a system of partial differential equations
On the uniqueness of the non-negative solution of the homogeneous mixed problem for a system of partial differential equations
A uniqueness theorem for the solution of a family of hyperbolic integro-differential equations
Remarque sur le système dynamique dans le domaine doublement connexe
Haantjes and Alt curvatures in abstract metric spaces
A method of determining the existence domain for solutions of partial differential equations of the first order
Remark on a partial differential inequality of the first order
Loss of uniqueness property in difference approximation of a Dirichlet problem
The article contains no abstract
Difference inequalities of the elliptic type
Monotonicity assumption in uniqueness criteria for differential equations
On the notion of gradient. III. Gradient as a limit value of a surface integral
On chords of convex bodies
A remark on the curvature of non-plane curves
Jacek Szarski 6.II.1921-21.II.1980
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