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1par Scheveningen conference on differential equations
North-Holland publ. co. 1974, cop. 1974Livre -
2par Scheveningen conference on differential equations
Springer-Verlag 1980, cop. 1980Livre -
3
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4par Scheveningen conference on differential equations
North Holland Pub. Co. copyright 1976Livre -
5par Scheveningen Conference on Differential Equations
North-Holland Pub. Co. 1978Livre