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3. A table of partitions, II;Gupta;Proc. London Math. Soc.,1937
4. Properties of the coefficients of the modular invariant J(τ);Lehmer;Amer. Journ. of Math.,1942
5. Divisibility properties of the Fourier coefficients of the modular invariant j(τ);Lehner;Amer. Journ. of Math.,1949