Symmetry of a group divisible design with r=λ1+1
2002 ◽
Vol 106
(1-2)
◽
pp. 31-37
2006 ◽
Vol E89-A
(12)
◽
pp. 3732-3735
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1982 ◽
Vol 34
(2)
◽
pp. 257-297
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2016 ◽
Vol 4
(2)
◽
pp. 161-175
1982 ◽
Vol 31
(1-2)
◽
pp. 53-62
Optimal constant weight covering codes and nonuniform group divisible 3-designs with block size four
2011 ◽
Vol 62
(2)
◽
pp. 143-160
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1970 ◽
Vol 65
(330)
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pp. 844
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