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For example , it can be used to solve linear Diophantine equations and Chinese remainder problems for Gaussian integers ; continued fractions of Gaussian integers can also be defined .
 Diophantine, Gaussian, Gaussian
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Diophantine, Gaussian, Gaussian