00499nam a2200181Ia 4500082001700000100001500017245005000032260002500082300001000107490004100117500000500158690000600163700000500169952009900174964001700273921001000290999001700300  a516bH224.UP  aHammer, J.  aUnsolved problems concerning lattics pointsb  aLondonbPitmanc1977  a101p.  aResearch notes in Mathematicsv v.15  a  a   a  00104070aISIbISId1998-09-21l0o516 H224.UPpDP19810r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a12487  c12487d12487