Amal Kumar Raychaudhuri died on June 18, 2005. This essay follows the lecture which I gave in honour of this great Indian scientist and teacher on December 26, 2005 in Puri, India. © Indian Academy of Sciences.
CITATION STYLE
Ehlers, J. (2007). A K Raychaudhuri and his equation. Pramana - Journal of Physics, 69(1), 7–14. https://doi.org/10.1007/s12043-007-0106-5
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