@inproceedingsBlömer_2002, title=Computing sums of radicals in polynomial time, DOI=10.1109/sfcs.1991.185434, booktitle=[1991] Proceedings 32nd Annual Symposium of Foundations of Computer Science, publisher=IEEE Comput. Soc. Press, author=Blömer, Johannes, year=2002 

@inproceedingsBlömer_1991, title=Computing sums of radicals in polynomial time, DOI=10.1109/sfcs.1991.185434, booktitle=Proceedings 32nd Annual Symposium of Foundations of Computer Science, publisher=IEEE Comput. Soc. Press, author=Blömer, Johannes, year=1991