@article{10_4153_CMB_1988_059_7,
     author = {Parker, E. T. and Somer, Lawrence},
     title = {A {Partial} {Generalization} of {Mann's} {Theorem} {Concerning} {Orthogonal} {Latin} {Squares}},
     journal = {Canadian mathematical bulletin},
     pages = {409--413},
     year = {1988},
     volume = {31},
     number = {4},
     doi = {10.4153/CMB-1988-059-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1988-059-7/}
}