Reference for Gittin 147:2

ר"מ אומר בעילתה תלויה ר' יוסי אומר בעילתה ספק וחכ"א מגורשת ואינה מגורשת ובלבד שימות

in a word, she is his wife in all respects, save that she does not require from him a second Get.<span class="x" onmousemove="('comment',' If he had intercourse with her and died subsequently, since the Get takes effect just immediately before his death. ');">²</span>

Jastrow