Robertson, H. P. (1940). «The Invariant Theory of Isotropic Turbulence». Mathematical Proceedings of the Cambridge Philosophical Society (Cambridge University Press) 36 (2): 209–223. doi:10.1017/S0305004100017199. Bibcode: 1940PCPS...36..209R.
Chandrasekhar, S. (1950). «The Theory of Axisymmetric Turbulence». Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences242 (855): 557–577. doi:10.1098/rsta.1950.0010. Bibcode: 1950RSPTA.242..557C.
Robertson, H. P. (1940). «The Invariant Theory of Isotropic Turbulence». Mathematical Proceedings of the Cambridge Philosophical Society (Cambridge University Press) 36 (2): 209–223. doi:10.1017/S0305004100017199. Bibcode: 1940PCPS...36..209R.
Chandrasekhar, S. (1950). «The Theory of Axisymmetric Turbulence». Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences242 (855): 557–577. doi:10.1098/rsta.1950.0010. Bibcode: 1950RSPTA.242..557C.