Said Court shall have power, upon affidavit or otherwise, to ascertain such matters of fact as may be necessary to the exercise of its jurisdiction.
Okla. Stat. tit. 20, § 42
Said Court shall have power, upon affidavit or otherwise, to ascertain such matters of fact as may be necessary to the exercise of its jurisdiction.
Okla. Stat. tit. 20, § 42