בענין ביטול היתר בהיתר
Publisher: Yeshivat Ḳol Yaʻaḳov
Published: 2004
Place of publication: Yerushalayim
Language: heb
Subjects: Mixture of permitted and forbidden foods (Jewish law)
Other titles: Be-ʻinyan biṭul heter be-heter
Notes: Cover title.