[1]
Nable, J.A. and Galapon, E.A. 2009. On Fedosov star-products of kernels of time operators. Proceedings of the Samahang Pisika ng Pilipinas, 27(1), SPP-2009-5C-04. URL: https://proceedings.spp-online.org/article/view/SPP-2009-5C-04.