the development of renormalization grouptheory; see Historyof renormalization grouptheory.) "Operator Algebra and the Determination of Critical Indices"
Mathematics and its history, Springer, p. 374, ISBN 978-0-387-95336-6 Bruce Chandler and Wilhelm Magnus. The historyof combinatorial grouptheory. A case study
456 "The ideas of ethnicity and ethnic group have a long history, often related to "otherness". In the 20th century and beyond, the idea of what constitutes