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Integration with respect to an upper-measure function. Amer. J. Math. 63 (1941), 319-337.
MR 0003703 |
Zbl 0025.03401
[4] TAYLOR A. E.:
General Theory of Functions and Integration. Dover Publications Inc., New York, 1985.
MR 0824243
[5] WARD A. J.:
The Fan integrals interpreted as measures in a product-space. Amer. J. Math. 66 (1944), 144-160.
MR 0009621