Sommaire

100th anniversary of birthday of Eduard Čech
p. i
Continuity of monotone functions
p. 1-4
A parallelogram configuration condition in nets
p. 5-17
More on the girth of graphs on Weyl groups
p. 19-23
Explicit form for the discrete logarithm over the field ${\rm GF}(p,k)$
p. 25-28
Metrically regular square of metrically regular bipartite graphs of diameter $D=6$
p. 29-38
$s$-weakly regular group rings
p. 39-41
Reflections with respect to submanifolds in contact geometry
p. 43-57
Natural transformations transforming vector fields into affinors on the extended $r$-th order tangent bundles
p. 59-70
Special tangent valued forms and the Frölicher-Nijenhuis bracket
p. 71-82
Further higher monotonicity properties of Sturm-Liouville functions
p. 83-96
A geometric approach to universal quasigroup identities
p. 97-103
Results on the commutative neutrix convolution product of distributions
p. 105-117
A characterization of Krull rings with zero divisors
p. 119-122