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The existence of 5-sparse Steiner triple systems of order $$n \equiv 3 \mod 6$$, $$n \notin \{9,15 \}$$. (English) Zbl 1157.05011
Summary: This paper shows the existence of 5-sparse Steiner triple systems of order $$n\equiv 3 \mod 6$$ for $$n \geqslant 21$$ by constructing meager systems.

##### MSC:
 05B07 Triple systems
Full Text:
##### References:
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