The advantage of capitalism vs. socialism depends on the criterion. McKean, H.P.; Shepp, L.A. — 2005 Zapiski Nauchnykh Seminarov POMI
Geometry of KDV(4): Abel sums, Jacobi variety, and theta function in the scattering case. H.P. McKean; N. Ercolani — 1990 Inventiones mathematicae