What is Mathematics An Elementary Approach to Ideas and Methods

cover

@ebook{           CourantRobbins,
  Author        = "Courant, Richard and Robbins, Herbert",
  date-added    = "2020-04-10 11:05:14 +0200",
  date-modified = "2020-04-10 11:05:14 +0200",
  Keywords      = "popular science and done",
  Title         = "What is Mathematics? An Elementary Approach to Ideas and Methods",
  File          = "What is Mathematics? An Elementary Approach to Ideas and Methods - Courant, Robbins (0) (0) (0) - a - a - a.pdf"
}

@ebook{ CourantRobbins, Author = "Courant, Richard and Robbins, Herbert", date-added = "2020-04-10 11:05:14 +0200", date-modified = "2020-04-10 11:05:14 +0200", Keywords = "popular science and done", Title = "What is Mathematics? An Elementary Approach to Ideas and Methods", File = "What is Mathematics? An Elementary Approach to Ideas and Methods - Courant, Robbins (0) (0) (0) - a - a - a.pdf" }