# Where can I find the Bohr Sommerfield condition?

I need to solve the Hydrogen Atom using the phase integral [Bohr Sommerfield Condition] but I don't know where can I find it. Help me please!

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–  joshphysics Mar 4 '13 at 4:17
Thanks, it was very helpful. I also found this: sfu.ca/lux/Teaching/summary.pdf –  user21591 Mar 20 '13 at 18:00