136. 7.5a. 137. ar/2 (e2aquot; -1). 138. The rectangle is mapped into the annulus eao¹I I uj I alt;e2, whose area is :rt (e4 - etI). But formula (4.9) yields 4 (eaom - etI). The error is due to the fact that under the stated conditions the mapping is not one-to-one. 139.
|Title||:||Functions of a complex variable, operational calculus, and stability theory|
|Author||:||Mikhail Leontévich Krasnov, Aleksandr Ivanovich Kiselev, Grigoriĭ Ivanovich Makarenko|