On the number of prime factors of a finite arithmetical progression
On the number of rational squares at fixed distance from a fifth power
On the number of representations of an integer by a linear form.
On the Number of S-Integral Solutions to Ym = f(x).
On the number of solutions of decomposable polynomial equations
On the number of solutions of exponential congruences
On the number of solutions of linear equations in units of an algebraic number field.
On the number of solutions of simultaneous Pell equations
On the number of solutions of simultaneous Pell equations II
On the number of solutions of the generalized Ramanujan-Nagell equation
On the numbers of solutions of weighted unit equations
On the numbers that are representable as the sum of two cubes.
On the Pellian equation and the class number of indefinite binary quadratic forms.
On the positive integral solutions of the Diophantine equation .
On the power values of Stirling numbers
On the power-free parts of consecutive integers
On the powerful part of
We show that is powerfull for integers at most, thus answering a question of P. Ribenboim.
On the Product of Consecutive Elements of an Arithmetic Progression.
On the property .
On the quantitative unit sum number problem-an application of the subspace theorem