Ab initio calculation of the J = 0 and J = 1 states of the H+2, D+2 molecular ions L. Hilico, N. Billy, B. Grémaud and D. Delande Eur. Phys. J. D, 12 3 (2000) 449-466 Published online: 15 December 2000 DOI: 10.1007/s100530070006