Involutivity degree of a distribution at superdensity points of its tangencies
pp. 195–219: Abstract, GZIP-PS (505 KiB), PDF (532 KiB)
Generalized $c$-almost periodic type functions in ${\mathbb{R}}^{n}$
pp. 221–253: Abstract, GZIP-PS (790 KiB), PDF (798 KiB)