From professional translators, enterprises, web pages and freely available translation repositories.
136–156 and appendix a)* edited by dewitt, cécile and dewitt, bryce, "relativity, groups and topology", section dynamical theory of groups & fields, (blackie and son ltd, glasgow), especially p615-624, isbn 0-444-86858-5* griffiths, david j., "introduction to elementary particles", new york: john wiley & sons, 1987.
136–156 and appendix a)* edited by dewitt, cécile and dewitt, bryce, "relativity, groups and topology", section dynamical theory of groups & fields, (blackie and son ltd, glasgow), especially p615-624, isbn 0-444-86858-5* griffiths, david j., "introduction to elementary particles", new york: john wiley & sons, 1987.