On the Diophantine equation ax...+bx...y+cy...=d and pure powers in recurrence sequences.
On the equation a(x...-1)/(x-1)=b(y...-1)/(y-1).
New applications of Diophantine approximations to Diophantine equations.
On Grimm's problem relating to factorisation of a block of consecutive integers. II.
The distance between terms of an algebraic recurrence sequence.
Odd values of the Ramanujan -function
On the equation x(x+1)... (x+k-1) = y(y+d)... (y+(mk-1)d), m=1,2
On the Maximal Length of Two Sequences of Integers in Arithmetic Progressions with the Same Prime Divisors.
On some arithmetical properties of weighted sums of S-units.
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