3 ms·
You put labels on lines. For example the diagram here works like that: https://en.wikipedia.org/wiki/6-j_symbol https://en.wikipedia.org/wiki/6-j_symbol
by Certhas 7y ago
You put labels on lines. For example the diagram here works like that:
https://en.wikipedia.org/wiki/6-j_symbol https://en.wikipedia.org/wiki/6-j_symbol