40354
This generalizes Bézout 's identity : with this definition , two principal ideals ( " a " ) and ( " b " ) in the ring of integers " Z " are coprime if and only if " a " and " b " are coprime .
 Bézout
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Bézout