Reference for Yevamot 50:9

ואלא בתלתא מי חשידי והתנן מיאנה או שחלצה בפניו ישאנה מפני שהוא בית דין

<b><i>GEMARA</i></b>. This implies that if he had disallowed her vow, be would have been permitted to marry her!<span class="x" onmousemove="('comment',' If her husband subsequently divorced her or died. ');">²²</span> What then are the circumstances?<span class="x" onmousemove="('comment',' Lit., 'in what are we engaged'. ');">²³</span> If [he acted] alone, could one disallow a vow? Surely<span class="x" onmousemove="('comment',' Cur. edd. add in parentheses. 'Rab said'. ');">²⁴</span>

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