About of the asymptotical stability of solutions of systems of ordinary differential equations
1971 ◽
Vol 47
◽
pp. 897-902
◽
1971 ◽
Vol 47
(SupplementII)
◽
pp. 897-902
2007 ◽
Vol 47
(1)
◽
pp. 93-106
1987 ◽
Vol 63
(4)
◽
pp. 102-105