[seqfan] Re: Bad pdf file in A002369?

Brendan McKay Brendan.McKay at anu.edu.au
Sat Feb 24 08:36:06 CET 2018


Here is a more detailed bibliographical citation.  It is an article in a 
conference proceedings.

Jacques Devisme. Contribution a l'étude du problème des timbres-poste. 
Comptes-Rendus du Deuxième Congrès International de Récréation 
Mathématique, Paris, 1937. Librairie du "Sphinx", Bruxelles, 1937, pp. 
55-56.

I don't have it.

Brendan.


On 24/2/18 6:14 pm, Hugo Pfoertner wrote:
> The downloads of both files work, but there is another problem. The scanned
> copy of the article is almost unreadable and even applying the usual tricks
> in image restoration (gamma curve, contrast, sharpening filters, etc.)
> don't produce a satisfactory result. The main problem is the image format
> Neil had used, which seems to have been jpeg. This produced the well known
> artifacts of "Fourier blocks". Assuming Neil's archive is well organized,
> I'd like to ask him if he can redo the scan and use a better suited image
> format for storing (e.g. gif or png)? Also Adobe Acrobat has a scan
> function producing "clean" results.
>
> Hugo Pfoertner
>
> On Sat, Feb 24, 2018 at 5:13 AM, Alonso Del Arte <alonso.delarte at gmail.com>
> wrote:
>
>> It works fine for me, I tried it in Firefox and Opera under Windows 8. What
>> browser and operating system are you using, Jonathan?
>>
>> Al
>>
>> On Fri, Feb 23, 2018 at 9:35 PM, Sean A. Irvine <sairvin at gmail.com> wrote:
>>
>>> The download works for me.  It is a single page PDF.
>>>
>>>
>>> On 24 February 2018 at 06:31, jnthn stdhr <jstdhr at gmail.com> wrote:
>>>
>>>> When I try to download "Illustration of initial terms" from A0002369 it
>>>> fails.  Is this my problem or a bad file?
>>>>
>>>> Jonathan
>>>>
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>>
>> --
>> Alonso del Arte
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>> <https://www.smashwords.com/profile/view/AlonsoDelarte>
>> Musician at ReverbNation.com <http://www.reverbnation.com/alonsodelarte>
>>
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