As noted in the Introduction to the classic paper by Burridge and Knopoff (1964) (this issue), this paper played a critical role in the development of the theory of the earthquake source. Because the mathematical development presupposes a level of knowledge beyond that of the seismologist or seismology student not actively engaged in theoretical studies, I will discuss a number of basic results that will help understand the paper as well as to put it into a broader perspective. I hope this tutorial will entice those untheoretically oriented to read the Burridge and Knopoff paper, so that they...

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