2991
The class of numbers was reconsidered in a slightly stronger form in a 1944 paper of Leonidas Alaoglu and Paul Erdős in which they tried to extend Ramanujan 's results .
 person: Leonidas Alaoglu; person: Paul Erdős; person: Ramanujan
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Leonidas Alaoglu; person: Paul Erdős; person: Ramanujan