On nonwellfounded iterated Sacks extensions, with application to the Glimm -- Effros property
On Nucleon-Antinucleon Symmetry in Cosmology
On o-minimal homotopy groups
On o-minimality of extensions of $\R$ by restricted generic smooth functions
On observation of middle atmosphere with LAS (limb-atmospheric infrared spectrometer) on board of satellite 'Ohzora' (EXOS-C)
On omitting cardinals in T_3 spaces
On oscillations in sunspot umbrae and wave radiation in stars
On our paper `Almost Free Splitter', a correction
On pairs of definable orthogonal families
On perfectly meager sets
On Permuting Cut with Contraction
On perturbations of continuous structures
On perturbations of Hilbert spaces and probability algebras with a generic automorphism
On philosophical assertions in cosmology
On Planetary-Mass Compact Objects as Dark Matter
On Podewski's conjecture
On Poincaré's second species solutions
On Polynomial Time Computation Over Unordered Structures
On possibility of minor body's capture to a satellite orbit before collision with Earth
On possible associations of quasi-stellar objects and radio galaxies with rich clusters of galaxies