### Bibliography

#### Works connected to ~~Charles Max Mason~~

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A problem of the Calculus of Variations in which the integrand is discontinuous,” Trans. Amer. Math. Soc. 7 : 2 (1906), pp. 325–336. MR 1500752 JFM 37.0402.01

: “The properties of curves in space which minimize a definite integral,” Trans. Amer. Math. Soc. 9 : 4 (1908), pp. 440–466. MR 1500821 JFM 39.0441.01

: “Fields of extremals in space,” Trans. Amer. Math. Soc. 11 : 3 (1910), pp. 325–340. MR 1500866 JFM 41.0437.01

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