00470nam a2200169Ia 4500082002200000100001900022245003400041260005300075300001000128500000500138690000600143700000500149952010500154964001700259921000900276999001500285  a320.9597bD682.OP  aDong, Pham Van  aOn the problem of the stateb  aHanoibForeign Languages Publication Housec1983  a100p.  a  a   a  001040708GRaISIbISId1998-06-05l0o320.9597 D682.OPpG581r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a1612  c1612d1612