Parashas Metzora · Passuk 14:20
Chabad.org — English translation + Rashi
Torah Temima points to Zevachim 8a (verified on the daf).
E-Daf.com — Tsurras Hadaf (size=3)
HebrewBooks / Shas PDF of the daf
English: “And the kohen shall offer up …” — even if he slaughtered it not for its own sake.
Validity despite shelo lishmah
Chazal address the status of the olah when it has been slaughtered without the proper intention.