@article{10_4064_aa134_4_1,
     author = {Shanta Laishram and T. N. Shorey},
     title = {Squares in arithmetic progression with
 at most two terms omitted},
     journal = {Acta Arithmetica},
     pages = {299--316},
     publisher = {mathdoc},
     volume = {134},
     number = {4},
     year = {2008},
     doi = {10.4064/aa134-4-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa134-4-1/}
}