The trains for the 36 groupless triad systems on 15 elements
Cummings, Louise D.
Bull. Amer. Math. Soc., Tome 26 (1919) no. 3, p. 321-324 / Harvested from Project Euclid
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Publié le : 1919-04-15
Classification:  
@article{1183424872,
     author = {Cummings, Louise D.},
     title = {The trains for the 36 groupless triad systems on 15 elements},
     journal = {Bull. Amer. Math. Soc.},
     volume = {26},
     number = {3},
     year = {1919},
     pages = { 321-324},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1183424872}
}

Cummings, Louise D. The trains for the 36 groupless triad systems on 15 elements. Bull. Amer. Math. Soc., Tome 26 (1919) no. 3, pp.  321-324. http://gdmltest.u-ga.fr/item/1183424872/