TY  - BOOK
AU  - Kisielewicz,Michał
AU  - Sosulski,Władysław
ED  - Differential Equations and Optimal Control Regional Scientific Session
TI  - Differential Equations and Optimal Control: Proceedings of the Seventh Regional Scientific Session of Mathematicians held in Kalsk, September 1988 : Section Differential Equations 
PY  - 1988///
CY  - Zielona Góra
PB  - Higher College of Engineering
N1  - bibliogr
ER  -