@article{AMI_2020_52_a5,
     author = {Jos\'e Luis Cereceda},
     title = {Binary quadratic forms and sums of powers of integers},
     journal = {Annales mathematicae et informaticae},
     pages = {71--84},
     publisher = {mathdoc},
     volume = {52},
     year = {2020},
     doi = {10.33039/ami.2020.02.002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.33039/ami.2020.02.002/}
}