![Open Access](https://i-scholar.in/lib/pkp/templates/images/icons/fulltextgreen.png)
![Restricted Access](https://i-scholar.in/lib/pkp/templates/images/icons/fulltextred.png)
![Open Access](https://i-scholar.in/lib/pkp/templates/images/icons/fulltextgreen.png)
![Open Access](https://i-scholar.in/lib/pkp/templates/images/icons/fulltext_open_medium.gif)
![Restricted Access](https://i-scholar.in/lib/pkp/templates/images/icons/fulltextred.png)
![Restricted Access](https://i-scholar.in/lib/pkp/templates/images/icons/fulltext_restricted_medium.gif)
On an Expression for a Class of Integral Functions
Subscribe/Renew Journal
The following interesting lemma is due to Hardy*:-
In order that φ (z) should be an integral function of order 1 and type k (> 0) in Pringsheim's terminology,† it is necessary and sufficient that φ (z) should be of the form.
Subscription
Login to verify subscription
User
Font Size
Information
![](https://i-scholar.in/public/site/images/abstractview.png)
Abstract Views: 201
![](https://i-scholar.in/public/site/images/pdfview.png)
PDF Views: 0