P. Hartman

发表

H. Schmid, B. Sun, C. F. Woensdregt, 1990 .

E. V. D. Voort, P. Hartman, 1991 .

P. Bennema, M. Senechal, W. G. Perdok, 1986 .

Zhizhen Zhang, L. Nazar, A. Assoud, 2018 .

P. Hartman, R. Jenkins, 1979, Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences.