85773
He wrote a textbook ( see the illustration ) for his students at the École Polytechnique in which he developed the basic theorems of mathematical analysis as rigorously as possible .
 École Polytechnique
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 École Polytechnique