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del Olmo, V.; Olivert, J. Weak rigidity in the PPN formalism. (English) Zbl 0613.73018 J. Math. Phys. 28, 855-858 (1987). MSC: 74B99 74A15 × Cite Format Result Cite Review PDF Full Text: DOI
del Olmo, V.; Olivert, J. Compatibility of weak rigidity with some types of elastic schemes. (English) Zbl 0592.73023 J. Math. Phys. 27, 1048-1055 (1986). MSC: 74B99 74A15 83C99 74M20 × Cite Format Result Cite Review PDF Full Text: DOI