\bib{1993/moree-squares}
\yr 1993
\mr 94g:11069
\by Pieter Moree
\paper On the number of $y$-smooth natural numbers $\le x$ representable as a sum of two integer squares
\jour Manuscripta Mathematica
\issn 0025--2611
\vol 80
\pages 199--211
\endref