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Håkan Ekblom. Calculation of linear bestl p-approximations. BIT Numerical Mathematics, 13(3):292–300, 1973.

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Andrea Rutley, Douglas W Oldenburg, and Roman Shekhtman. 2-d and 3-d ip/resistivity inversion for the interpretation of isa-style targets. Exploration Geophysics, 32(3/4):156–159, 2001.

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