https://pldml.icm.edu.pl/pldml/element/bwmeta1.element.bwnjournal-article-doi-10_7151_dmgaa_1017?q=bwmeta1.element.bwnjournal-number-dmal-2000-20-2;4&qt=CHILDREN-STATELESS
Diophantine equations and class number of imaginary quadratic fields - Discussiones Mathematicae -...
diophantine equationsclass numberquadratic fieldsimaginarydiscussiones