共 5 条
[1]
SINGER J, 1961, ADVANCES QUANTUM ED, P23
[2]
1962, J OPT SOC AM, V52, P31
[3]
1961, PHYS REV LETT, V6, P106
[4]
1961, P I R E, V49, P1954
[5]
1962, P IRE, V50, P1521