Sommaire

Summaries of articles published in this issue
$L_p$-theory for a class of singular elliptic differential operators
p. 525,526
On multiplication of Perron-integrable functions
p. 542-566
On Denjoy property and on approximate partial derivatives
p. 567-573
Completions, translational hulls and ideal extensions of inverse semigroups
p. 575-610
Translation structures and group partitions
p. 611-614
On the spectral function of a normal operator
p. 615-616
Ternary rings with zero associated to translation planes
p. 617-628
On the intersection of the sets of the right and left internal approximate derivatives
p. 629-634
Periodic solutions to abstract differential equations
p. 635-669
Algorithmic algebras of computers
p. 670-689