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pro vyhledávání: '"David A. Mullens"'
Autor:
J. Scott Carter, David A. Mullens
Publikováno v:
Symmetry, Vol 7, Iss 2, Pp 515-545 (2015)
We indicate that Heron’s formula (which relates the square of the area of a triangle to a quartic function of its edge lengths) can be interpreted as a scissors congruence in four-dimensional space. In the process of demonstrating this, we examine
Externí odkaz:
https://doaj.org/article/cff2fc5f9246440db85067f4583e5431
Autor:
David G. Mullens
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. :235-238
The small astronomy satellite (SAS-A) was placed into earth orbit in December 1970 with one experiment designed to scan the celestial sphere for sources of X-ray emission. An automated test procedure was used to confirm proper operation of all the ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbf91cbbec23309262857af5be57bfc8
https://doi.org/10.1109/tim.1971.5570646
https://doi.org/10.1109/tim.1971.5570646