Lajos Molnar:
Locally inner derivations of standard operator algebras
Manfred Stern:
On centrally symmetric graphs
Stefan Varga:
Estimations of covariance components in mixed linear models
Bohdan Zelinka:
Atomary tolerances on finite algebras
J. Matos, L. Sanchez:
Two solutions for a nonlinear Dirichlet problem with positive forcing
Diego Vaggione:
On Jonsson's theorem
Jan Jakubik:
Convexities of lattice ordered groups
Danut Marcu:
On colouring products of graphs
Robert Vrabel:
Asymptotic behavior of $T$-periodic solutions of singularly perturbed second-order differential equation
N. B. Limaye, Mulupuri Shanthi C. Rao:
On 2-extendability of generalized Petersen graphs
Aleksander Maliszewski:
On theorems of Pu & Pu and Grande
Jingcheng Tong:
The best diophantine approximation functions by continued fractions
Martin Kochol:
Symmetrized and continuous generalization of transversals
Frantisek Neuman:
Otakar Boruvka died