@article{DMGAA_2000_20_2_a3,
     author = {Cao, Zhenfu and Grytczuk, Aleksander},
     title = {Some classes of {Diophantine} equations connected with {McFarland's} and {Ma's} conjectures},
     journal = {Discussiones Mathematicae. General Algebra and Applications},
     pages = {193--198},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGAA_2000_20_2_a3/}
}