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pro vyhledávání: '"S. Izhar Husain"'
Autor:
Zafar Ahsan, S. Izhar Husain
Publikováno v:
Annali di Matematica Pura ed Applicata. 126:379-396
The null electromagnetic field, or (F, g, r, S)-structure, and the corresponding Nijenhuis tensor have been studied in an invariant index-free manner. It is seen that the null electromagnetic fields are characterized by the relation F3= 0, and the Ni
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3884bf88a4b86bb54f35cd47033129c9
https://doi.org/10.1007/bf01762517
https://doi.org/10.1007/bf01762517
