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OLECH C, 1965, B ACAD POL SCI SMAP, V13, P317
[12]
OLECH C, 1965, B ACAD POL SCI SMAP, V13, P347
[13]
OLECH C, CONTRIBUTION TIME OP
[14]
Plis A., 1961, B ACAD POLONAIS SMAP, V9, P857
[15]
Pontryagin L., 1962, MATH THEORY OPTIMAL
[16]
[No title captured]
[17]
[No title captured]