 integr boundari layer equat integr boundari layer equat equat boundari layer integr express form posit function 0 stationari point slowli vari integr unknown paramet condit integr evalu method steepest descent express diverg case includ blasiu's equat diverg express sum euler's transform check procedur appli falkner skan's equat strike term expans suffici close agreement hartre's labori numer comput method appli gener boundari-layer equat case flow ellipt cylind measur schubauer close agreement schubauer's measur veloc separ posit separ point satisfactori agreement downstream separ 