question on recaka-pUraka-kumbhaka

[Swami Tyagananda]

At 08:42 AM 12/31/00 +0000, you wrote:
>I would appreciate any pointers to textual citations of recaka,
>pUraka and kumbhaka - terms associated with prANAyama practice.
>They are not directly found in the pAtanjala yogasUtras or in
>vyAsa's commentary. vAcaspati mizra uses these terms, but he
>is not their inventor. Zankara already uses all three, in his
>commentary on gItA 4. 29. Any older sources, e.g. mahAbhArata
>or dharmazAstra/smRti texts or Buddhist texts?
>
>Happy new millennium everybody,
>Vidyasankar

Here's one reference. The three terms associated with prANAyama practice
are mentioned by Yajnavalkya in a passage Zankara quotes in his commentary
on the ZvetAzvatara UpaniZad.
Swami Tyagananda