@article{10_4153_CJM_1970_023_4,
     author = {Shrikhande, S. S. and Raghavarao, D. and Tharthare, S. K.},
     title = {Non-Existence of {Some} {Unsymmetrical} {Partially} {Balanced} {Incomplete} {Block} {Designs:} {Corrigendum}},
     journal = {Canadian journal of mathematics},
     pages = {191--191},
     year = {1970},
     volume = {22},
     number = {1},
     doi = {10.4153/CJM-1970-023-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-023-4/}
}